WEB IPA SMP

Gunung Pundung, Hanya tercipta dalam Semalam

<p> </p><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhkZDiuE6377Flwl_vnglhIIWc3AI51TULhfSo-DjcLK9efGQRxc_uulrNMKEJySiYjN2oXOFd24btqrfQT45L_CiW-8wWlg60MHcldtUH56gTF54261YGNR4ctLLKLxYoXkd6hhyphenhyphenAJC2a5/s1058/2+SRB+2020.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="515" data-original-width="1058" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhkZDiuE6377Flwl_vnglhIIWc3AI51TULhfSo-DjcLK9efGQRxc_uulrNMKEJySiYjN2oXOFd24btqrfQT45L_CiW-8wWlg60MHcldtUH56gTF54261YGNR4ctLLKLxYoXkd6hhyphenhyphenAJC2a5/s320/2+SRB+2020.png" width="320" /></a></div><div style="text-align: justify;">Membuat bangunan besar dalam waktu satu malam, hanya terjadi dalam Legenda. Seperti halnya Bandung Bondowoso dalam legenda Candi Prambanan. Namun dalam dunia sains, itu dapat saja terjadi. Bahkan Gunung pun dapat dibuat dalam waktu satu malam. Seperti terbentuknya "Gunung Pundung".</div><div style="text-align: justify;"> </div><p></p><p style="text-align: justify;">Pundung atau yang lebih dikenal dengan rayap, mampu membuat sebuah gundukan tanah menyerupai gunung dalam waktu semalam. Apalagi saat musim hujan seperti sekarang. Rayap-rayap sebagian besar tumbuh sayapnya dan keluar sebagai "laron", keluar di malam hari mencari sumber cahaya. Laron ini adalah sumber makanan bagi para peternak ayam maupun ikan. Sumber makanan yang tinggi protein. Bahkan di beberapa daerah, laron ini dijadikan sebagai makanan juga.</p><p style="text-align: justify;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_8tXPNsXmZZEprTgGobmgEwQkDxrw1S5OqhWknuIACSWZQVlrdCt0LxQ0B101Q4_ln872EMAEmnNhAB3NnXS-FP1DdbRpQrTPN5UoYZlOz9Flq9Ks2lQFawOycF1MPUBw-4uZEbvNXbjK/s440/2+SRB+2020.png" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="366" data-original-width="440" height="266" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_8tXPNsXmZZEprTgGobmgEwQkDxrw1S5OqhWknuIACSWZQVlrdCt0LxQ0B101Q4_ln872EMAEmnNhAB3NnXS-FP1DdbRpQrTPN5UoYZlOz9Flq9Ks2lQFawOycF1MPUBw-4uZEbvNXbjK/w320-h266/2+SRB+2020.png" width="320" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">botok laron<br /></td></tr></tbody></table> </p><div class="separator" style="clear: both; text-align: center;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgdi0gxya-CKf44Ux3hSNslKv17sEWNkBXk5DNrjAB5A_jNz2ZZZ4rqkVG10glIxNYVvByhk0QRvOtcU-gR2qbc4haP-ywbmOw8BTNTwjMqCPO6c0Fh_fa9CyDLBWEbooP17A31dKuMU6DS/s593/2+SRB+2020.png" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="365" data-original-width="593" height="198" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgdi0gxya-CKf44Ux3hSNslKv17sEWNkBXk5DNrjAB5A_jNz2ZZZ4rqkVG10glIxNYVvByhk0QRvOtcU-gR2qbc4haP-ywbmOw8BTNTwjMqCPO6c0Fh_fa9CyDLBWEbooP17A31dKuMU6DS/w320-h198/2+SRB+2020.png" width="320" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">peyek laron<br /></td></tr></tbody></table><br /></div><p></p><p style="text-align: justify;">Pundung atau rayap adalah hewan yang memiliki kemampuan luar biasa. Rayap merupakan hewan yang memiliki kemampuan memakan selulosa yang terdapat pada kayu. Hewan rayap ini berkembang biak dengan cara bertelur. Rayap hidup berkoloni dan koloni ini terbagi menjadi raja dan ratu rayap, kelompok prajurit dan kelompok pekerja. Rayap prajurit memiliki ukuran yang lebih kecil dari pemimpinnya. Sementara, rayap pekerja bertugas untuk membuat sarang dengan menggunakan tanah, kunyahan kayu, air liur, dan kotoran rayap sendiri. Rayap pekerja memiliki ukuran tubuh yang kecil dan berwarna putih. Rayap pekerja ini juga bertugas mencari makanan. Rayap sendiri berfungsi sebagai pengurai. Pengurai merupakan organisme yang memakan organisme mati dan limbah dari organisme lain. Penguraian ini membantu ekosistem tanah. Di sisi lain, rayap membantu membuat tanah kaya akan senyawa organik. Namun, jika dalam jumlah besar rayap ini akan menjadi hama yang merusak lingkungan.</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAocdISkRBm9Eaus_vYpemxnHUVA-h5vXkbU7MNVLG8UEIHCdflAPmYmuo2bMTocJOmY9YsLHsBma6ENtBcqB93o6xXCjnKPd5gn46x6GS27OcsZO9ENKMviVAvOLOM_yCfJo5lUIDcV6Q/s469/2+SRB+2020.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="301" data-original-width="469" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAocdISkRBm9Eaus_vYpemxnHUVA-h5vXkbU7MNVLG8UEIHCdflAPmYmuo2bMTocJOmY9YsLHsBma6ENtBcqB93o6xXCjnKPd5gn46x6GS27OcsZO9ENKMviVAvOLOM_yCfJo5lUIDcV6Q/s320/2+SRB+2020.png" width="320" /></a></div><p style="text-align: justify;"></p><p>Laron merupakan metamorfosis dari rayap. Sayap pada laron berguna untuk mencari pasangan. Ketika laron dewasa sudah mendapatkan pasangan, laron akan meninggalkan sayapnya dan berkembang biak. Jadi, laron adalah rayap dewasa yang memiliki sayap. Laron tidak dapat melihat dan mendengar. Maka itu, laron mencari pasangan dekat dengan sumber cahaya. Laron yang tidak mendapat pasangan akan segera mati pada malam itu juga.<br /></p>

Gunung Pundung, Hanya tercipta dalam Semalam

Membuat bangunan besar dalam waktu satu malam, hanya terjadi dalam Legenda. Seperti halnya Bandung Bondowoso dalam legenda Candi Prambanan...

8:27 AM

menambahkan link website

<p> untuk belajar menambahkan link website caranya klik tanda pin di atas</p><p>klik link <a href="https://sumber.belajar.kemdikbud.go.id/#!/Content/Home/Details/2bb3a1de79694b2aad3e2602fb559f7b" target="_blank">berikut</a></p><p></p><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: left;">video dari laptop</div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"><iframe allowfullscreen="allowfullscreen" class="b-hbp-video b-uploaded" frameborder="0" height="266" id="BLOGGER-video-022506562cc77811-19725" mozallowfullscreen="mozallowfullscreen" src="https://www.blogger.com/video.g?token=AD6v5dxdDHP_tB3AKLe_Ep9UFAIRq3bQ7-PRZ5MqMUGSrDctIbC06yfFBmh8nRuF-Cz7Lbhl_wsJUoR3LJ_Pr_IzSM7dbbYhjWZSgziJ2E0_YQfBYVOWDrNTLbZ_-e9LIqgvzKmJMTll&origin=webipasmp.blogspot.com" webkitallowfullscreen="webkitallowfullscreen" width="320"></iframe> </div><div class="separator" style="clear: both; text-align: center;"> </div><div class="separator" style="clear: both; text-align: center;"> </div><div class="separator" style="clear: both; text-align: left;">video dari youtube</div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: center;"><iframe allowfullscreen="" class="BLOG_video_class" height="266" src="https://www.youtube.com/embed/NQMwmqKauXc" width="320" youtube-src-id="NQMwmqKauXc"></iframe></div><br /><div class="separator" style="clear: both; text-align: left;"><br /></div><br /><br /><p></p>

menambahkan link website

untuk belajar menambahkan link website caranya klik tanda pin di atas klik link berikut video dari laptop video dari youtube

3:00 PM

Belajar Lensa Cekung Lensa Cembung IPA SMP

<a href="https://yukk.co.id/blog/wp-content/uploads/2017/11/Kacamata-Master-Foto-Instagram-@owleyewearid.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="600" height="200" src="https://yukk.co.id/blog/wp-content/uploads/2017/11/Kacamata-Master-Foto-Instagram-@owleyewearid.jpg" width="200" /></a>Pernah bermain kaca pembesar?<br />
Lihat orang pakai kacamata?<br />
<br />
Itulah lensa....<br />
<br />
Ringkasan berikut tentang lensa ya...<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_ks-QrSSaeGwfk-JGXYh5VbTOxAQUMJRgdBWEGWM8iARffrQ_ARBSad1Q66O_Y-AHzHPwru2buSfMytJ-gVycuyzLMJk8kLimOa2dyadoXysZVCIRFgcxwQEGpsgjNGF6MemjsKpv6cs/s1600/lensa+1.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="713" data-original-width="861" height="528" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_ks-QrSSaeGwfk-JGXYh5VbTOxAQUMJRgdBWEGWM8iARffrQ_ARBSad1Q66O_Y-AHzHPwru2buSfMytJ-gVycuyzLMJk8kLimOa2dyadoXysZVCIRFgcxwQEGpsgjNGF6MemjsKpv6cs/s640/lensa+1.JPG" width="640" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBjm7v-M9AlbH0h5IlRdrbjIcwvaUysNQ2VGKe5vxx1J34cMQIp0rX6jrDyaZPPcCvmEvvOWMVa_z2sOhvvJ5zEnqisUvt-Lyo1VHvwMba38UP2EGPxML7AShGrpmKtKn59cqvt_BDrr0/s1600/lensa+2.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="273" data-original-width="845" height="206" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBjm7v-M9AlbH0h5IlRdrbjIcwvaUysNQ2VGKe5vxx1J34cMQIp0rX6jrDyaZPPcCvmEvvOWMVa_z2sOhvvJ5zEnqisUvt-Lyo1VHvwMba38UP2EGPxML7AShGrpmKtKn59cqvt_BDrr0/s640/lensa+2.JPG" width="640" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgY8tdU8lvuUVwFo8uVKAgTcJbafWBybSRo91a1BMRbqKXofiysSBAUzlCgfcVoLz-mLliBcWctuN7ItT9zxadr67_5Wnd5yX2EKePXGQ_QSnoY5u8jltVQ1LTN0fgt2WOIjyeXaw1Qu6g/s1600/lensa+3.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="371" data-original-width="809" height="292" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgY8tdU8lvuUVwFo8uVKAgTcJbafWBybSRo91a1BMRbqKXofiysSBAUzlCgfcVoLz-mLliBcWctuN7ItT9zxadr67_5Wnd5yX2EKePXGQ_QSnoY5u8jltVQ1LTN0fgt2WOIjyeXaw1Qu6g/s640/lensa+3.JPG" width="640" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6Gd7WheYj_ETlI8PG5NdbdyXICGHRUanzr2q91odiF1wJQ6Cb1-l4dANV4_-1n3TPbTrZw7ICP-QLEfsVmX80NBhOL_LMzLWEGTtTIvMzBB1ZgVmCGt4LgjTmwPl3Cz8_ZA-SK_pNAIk/s1600/lensa+5.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="707" data-original-width="744" height="608" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6Gd7WheYj_ETlI8PG5NdbdyXICGHRUanzr2q91odiF1wJQ6Cb1-l4dANV4_-1n3TPbTrZw7ICP-QLEfsVmX80NBhOL_LMzLWEGTtTIvMzBB1ZgVmCGt4LgjTmwPl3Cz8_ZA-SK_pNAIk/s640/lensa+5.JPG" width="640" /></a></div>
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Belajar Lensa Cekung Lensa Cembung IPA SMP

Pernah bermain kaca pembesar? Lihat orang pakai kacamata? Itulah lensa.... Ringkasan berikut tentang lensa ya... ...

12:04 PM

Belajar Pembiasan Cahaya

Belajar Pembiasan Cahaya

Pernahkah kalian melihat ikan di aquarium? meskipun si ikan berada di dasar akuarium, tapi tampak ikan berada dekat permukaan. Mengapa demik...

1:27 PM

Pembahasan soal Cermin Cekung

Pembahasan soal Cermin Cekung

Pembahasan soal Cermin Cekung Jika ada pertanyaan silahkan tulis di kolom komentar ya...

9:22 AM

Materi Cermin Cembung IPA SMP Kelas 8

<span style="font-family: "Times New Roman",serif; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US;">Cermin Cembung adalah cermin yang bagian
cembungnya memantulkan cahaya</span><br />
<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEii281vf8wGebOve-qHfmUApBKvFWv0e2artcdNvioK0O696yTFJWAQL9V3UGZ-eih-sBscaCdGKANr6JysKj56ntcSUwTFjHx3htu0n7Wq7_8_-DsaWjFtiE9hyphenhyphenQzgUoIpdmAKe_jjFuw/s1600/cermin+cembung.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="374" data-original-width="632" height="189" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEii281vf8wGebOve-qHfmUApBKvFWv0e2artcdNvioK0O696yTFJWAQL9V3UGZ-eih-sBscaCdGKANr6JysKj56ntcSUwTFjHx3htu0n7Wq7_8_-DsaWjFtiE9hyphenhyphenQzgUoIpdmAKe_jjFuw/s320/cermin+cembung.JPG" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Cermin Cembung yang dipasang di pinggir jalan</td></tr>
</tbody></table>
Bagian-bagian cermin cembung sebagai berikut:<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiR-Gd6ravpje1tGdYO59eA12L3aSqbOJsO6j8RU_BmET3MfBSmyM2SsKJ0E9slFoVV0r4VZc4dbRqmdwUl3x-3yVAn-neRCPbHnrpc9J3wXQigezG9o6guKBsFJS0CGNDlqnORtwjo_kk/s1600/bagian+cermin+cembung.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="495" data-original-width="791" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiR-Gd6ravpje1tGdYO59eA12L3aSqbOJsO6j8RU_BmET3MfBSmyM2SsKJ0E9slFoVV0r4VZc4dbRqmdwUl3x-3yVAn-neRCPbHnrpc9J3wXQigezG9o6guKBsFJS0CGNDlqnORtwjo_kk/s640/bagian+cermin+cembung.JPG" width="640" /></a></div>
<div>
<br /><span style="text-align: center;">Cermin cembung bersifat divergen
yaitu menyebarkan cahaya</span><div class="separator" style="clear: both; text-align: center;">
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<h2>
<a href="https://webipasmp.blogspot.com/2020/04/materi-cermin-cekung-ipa-smp-kelas-8.html" target="_blank"><i>Baca Juga : Materi Cermin Cekung IPA SMP Kelas 8</i></a></h2>
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Sinar–sinar utama pada cermin
cembung :</div>
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<span style="text-indent: -18pt;">1.</span><span style="font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal; text-indent: -18pt;">     </span><span style="text-indent: -18pt;">Sinar
yang sejajar dengan sumbu utama, dipantulkan seolah–olah berasal dari fokus.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTiIjFfyyd8c0il608fsR3vZSSs_CALUu6t_2C3TNR_DQISuf0pqWHHdP6aV1uVSotClbdU5b3SxLpUT0GkKyoVbA4X-Nm1LV6QptZBNWsu3IkvjFMcSB4yudrjDc-0mzjcU00Itx3-mk/s1600/istimewa+1.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="221" data-original-width="355" height="398" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTiIjFfyyd8c0il608fsR3vZSSs_CALUu6t_2C3TNR_DQISuf0pqWHHdP6aV1uVSotClbdU5b3SxLpUT0GkKyoVbA4X-Nm1LV6QptZBNWsu3IkvjFMcSB4yudrjDc-0mzjcU00Itx3-mk/s640/istimewa+1.JPG" width="640" /></a></div>
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<span style="text-indent: -18pt;">2.</span><span style="font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal; text-indent: -18pt;">     </span><span style="text-indent: -18pt;">Sinar
yang menuju fokus dipantulkan sejajar dengan sumbu utama.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSpNng-N_NxtBTYzwHjZMEsxQk1t3Mn6vNaLQaOy6aBu4fGf_PiE3eKGchOABPTQY5ExFat8eZsG_zfzGUuFDsqZcLbOqjfx-qSfLJLUrUfcPobS3Ni_6xHhbyNvlM5zt9qKcdRagysws/s1600/istimewa+2.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img border="0" data-original-height="189" data-original-width="306" height="395" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSpNng-N_NxtBTYzwHjZMEsxQk1t3Mn6vNaLQaOy6aBu4fGf_PiE3eKGchOABPTQY5ExFat8eZsG_zfzGUuFDsqZcLbOqjfx-qSfLJLUrUfcPobS3Ni_6xHhbyNvlM5zt9qKcdRagysws/s640/istimewa+2.JPG" width="640" /></a></div>
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<span style="text-indent: -18pt;">3.</span><span style="font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal; text-indent: -18pt;">     </span><span style="text-indent: -18pt;">Sinar
yang menuju pusat kelengkungan M, dipantulkan melalui titik itu juga.</span><div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjAr9ARYXVFuTdrvtN6aYKaXzMORmw8DGuMu9MKN_AnoJoEVAaAm-WUuQsJO1y-gPORYZHovZPr7dGRW_OTZKXLKylk0MQDds8Eh7oOF3zUbkO5F1r_maNzFHCHnd58ovJtbfE624LJVBg/s1600/istimewa+3.JPG" imageanchor="1" style="clear: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="202" data-original-width="366" height="352" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjAr9ARYXVFuTdrvtN6aYKaXzMORmw8DGuMu9MKN_AnoJoEVAaAm-WUuQsJO1y-gPORYZHovZPr7dGRW_OTZKXLKylk0MQDds8Eh7oOF3zUbkO5F1r_maNzFHCHnd58ovJtbfE624LJVBg/s640/istimewa+3.JPG" width="640" /></a><br /><span style="font-family: "Times New Roman",serif; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US;"><br /></span>
<span style="font-family: "Times New Roman",serif; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US;"><b><br /></b></span>
<span style="font-family: "Times New Roman",serif; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US;"><b>Pembentukan Bayangan pada Cermin Cembung</b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqEghnb_jbzWwCJmvkx4DQSNJ5k0qUUearoMuA1FFhibqGVkOJzDWmzf0Rcsv2UzaOF_Q6VA9UECRcBYl7GxhyphenhyphentsLMIM0R64Z0tI035uMcw7A-Rm1bEkSt6yGdF8iVehrLKxkv_QvDLDY/s1600/bayngan+cembung.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="463" data-original-width="892" height="332" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqEghnb_jbzWwCJmvkx4DQSNJ5k0qUUearoMuA1FFhibqGVkOJzDWmzf0Rcsv2UzaOF_Q6VA9UECRcBYl7GxhyphenhyphentsLMIM0R64Z0tI035uMcw7A-Rm1bEkSt6yGdF8iVehrLKxkv_QvDLDY/s640/bayngan+cembung.JPG" width="640" /></a></div>
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<span style="color: red;">Setiap benda didepan cermin cembung pasti
menghasilkan bayangan maya, karena itu cermin cembung disebut cermin
maya dan digunakan untuk kaca spion.</span><br />
<span style="color: red;"><br /></span>
<h2>
<span style="color: blue;"><i><a href="https://webipasmp.blogspot.com/2017/03/pemantulan-cahaya-pada-cermin-datar.html" target="_blank">Baca Juga Materi Cermin Datar IPA SMP Kelas 8</a></i></span></h2>
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<span style="font-family: Times New Roman, serif;">Cermin cembung disebut juga cermin negatif (maya), karena R dan f-nya negatif (dibelakang cermin).</span><br />
<span style="font-family: Times New Roman, serif;">Rumus di Cermin Cembung</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1Plb1uOCKCzN86HqnKFWdZzSHVqVk-DMPyuNP0NDssAnveAJqQIk-7jfuZbYQIjmDkKCr2EqAvwv83iv03xNIqyPDiiBJ52CpQbi7ntAmEGAlzyqzgYzNksgpIfjVyYtDcKwn4xqEUgw/s1600/Rumus+cembung.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="440" data-original-width="793" height="354" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1Plb1uOCKCzN86HqnKFWdZzSHVqVk-DMPyuNP0NDssAnveAJqQIk-7jfuZbYQIjmDkKCr2EqAvwv83iv03xNIqyPDiiBJ52CpQbi7ntAmEGAlzyqzgYzNksgpIfjVyYtDcKwn4xqEUgw/s640/Rumus+cembung.JPG" width="640" /></a></div>
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<span style="font-family: Times New Roman, serif;">contoh soal;</span><br />
<span style="font-family: Times New Roman, serif;">Sebuah benda berada 30 cm dimuka sebuah cermin cembung. Jika jarak bayangan maya yang terbentuk 10 cm, berapakah jarak titik api cermin itu ?  Berapakah perbesarannnya ?</span><br />
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Materi Cermin Cembung IPA SMP Kelas 8

Cermin Cembung adalah cermin yang bagian cembungnya memantulkan cahaya Cermin Cembung yang dipasang di pinggir jalan Bagian-bagian cerm...

9:02 AM

Materi Cermin Cekung IPA SMP Kelas 8

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<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjm12QjP665fEEJxGyU3sEwthk_NB1S0nk06t5ywvWgGufdOqB9XHx6FPuS6M1vdEefmlfN7IHOg4lIukewWpMeWbnTgbFg5Oym31fCFp3WCKM-t-ybY1CGRvJmZZuqgk3ly4Z787zCB9s/s1600/cermin+sendok.JPG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="498" data-original-width="352" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjm12QjP665fEEJxGyU3sEwthk_NB1S0nk06t5ywvWgGufdOqB9XHx6FPuS6M1vdEefmlfN7IHOg4lIukewWpMeWbnTgbFg5Oym31fCFp3WCKM-t-ybY1CGRvJmZZuqgk3ly4Z787zCB9s/s320/cermin+sendok.JPG" width="226" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Bayangan di sendo</td></tr>
</tbody></table>
Pernahkah kalian memakai melihat bayangan kalian di sendok yang bagian dalam? Bagian sendok yang bagian dalam merupakan contoh dari cermin cekung. Nah, Bagaimana itu cermin cekung selanjutnya... Yuk kita cek materi berikut...<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh95SFTEA6cbWVSjwilciBYh5Jqs8kzO3mQWpsaFll1B3VuT__nU3PS6bbTXjW9TVFHSOz5ZyQNrIMxXdLWZk1MhJIRi4bXqEjmfs9iRn9pgmA83Fyqnu8EFbhSbOQQx1GOyXIp_yzIwT0/s1600/cermin+cekung.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><br /><img border="0" data-original-height="280" data-original-width="589" height="190" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh95SFTEA6cbWVSjwilciBYh5Jqs8kzO3mQWpsaFll1B3VuT__nU3PS6bbTXjW9TVFHSOz5ZyQNrIMxXdLWZk1MhJIRi4bXqEjmfs9iRn9pgmA83Fyqnu8EFbhSbOQQx1GOyXIp_yzIwT0/s400/cermin+cekung.JPG" width="400" /></a><br />
Cermin cekung adalah cermin yang bagian cekungnya memantulkan cahaya<br />
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Keterangan:</div>
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Su = sumbu utama</div>
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M = pusat kelengkungan</div>
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F = titik api / titik fokus</div>
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R = jari–jari kelengkungan</div>
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f  = jarak fokus</div>
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O = titik pusat optik</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkWhNKZbBwTtwAlvLHQAy4snxKi5QS3gCcO99SL97CdByU4mG_IJ9jaxHTb9TsqoQJzRnFemdzVhgPRKFRKsZhzFXwdA3X1FGUAceo1_vxQnKeHjjnzq4gr1mlPEcYjUrmwEe6MFyEoec/s1600/rumus+1.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="136" data-original-width="454" height="94" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkWhNKZbBwTtwAlvLHQAy4snxKi5QS3gCcO99SL97CdByU4mG_IJ9jaxHTb9TsqoQJzRnFemdzVhgPRKFRKsZhzFXwdA3X1FGUAceo1_vxQnKeHjjnzq4gr1mlPEcYjUrmwEe6MFyEoec/s320/rumus+1.JPG" width="320" /></a></div>
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Dalam belajar cermin cekung, diberikan ruang-ruang untuk memudahkan mempelajarinya<br />
I = ruang I, berada di antara titik pusat O dan titik focus F<br />
II = ruang II, berada di antara titik focus F dan pusat kelengkungan cermin M<br />
III = ruang III, berada di sebelah kiri titik pusat kelengkungan cermin M<br />
IV = ruang IV, berada di belakang cermin<br />
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Cermin cekung bersifat kongruen yaitu  mengumpulkan cahaya.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-gT-3cbXTj-S6svEJEckn0tyMiEJBr5kB2KWqQImD595hfNF2u4VxJpXHxMJOQ6SExQmcJBiMKR0jKlORqnkRh-H1_4rtLCL-aw0ADsmV7Sa-uSx9fUrr0_5WRRCw5YAW8nLFX2uNrHA/s1600/konvergensi+cermin+cekung.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="328" data-original-width="614" height="170" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-gT-3cbXTj-S6svEJEckn0tyMiEJBr5kB2KWqQImD595hfNF2u4VxJpXHxMJOQ6SExQmcJBiMKR0jKlORqnkRh-H1_4rtLCL-aw0ADsmV7Sa-uSx9fUrr0_5WRRCw5YAW8nLFX2uNrHA/s320/konvergensi+cermin+cekung.JPG" width="320" /></a></div>
<h2>
<b><span style="color: #0b5394;"><i><a href="https://webipasmp.blogspot.com/2017/03/pemantulan-cahaya-pada-cermin-datar.html#more">Baca Juga: Ringkasan Materi Cermin Datar</a></i></span></b></h2>
Pada Cermin cekung terdapat 3 sinar utama/ sinar istimewa. Sinar–sinar utama/istimewa pada cermin cekung yaitu:<br />
1.<span style="white-space: pre;"> </span>Sinar yang sejajar dengan sumbu utama dipantulkan melalui fokus.<br />
 <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjhFbLUWxa8jv8q4TX6pbOxmWwgiOGnffGrl1MzuIh0ZmuK1zqo9xhqL6HS_uVHJ22hY17gq2yBrDeJ-utjRh6bosMh_kBmcyevLaWJUd0io8nVlMypRyHG6MAVRmOlADxBZIj1XqZ00cc/s1600/sinar+1.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img border="0" data-original-height="186" data-original-width="281" height="131" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjhFbLUWxa8jv8q4TX6pbOxmWwgiOGnffGrl1MzuIh0ZmuK1zqo9xhqL6HS_uVHJ22hY17gq2yBrDeJ-utjRh6bosMh_kBmcyevLaWJUd0io8nVlMypRyHG6MAVRmOlADxBZIj1XqZ00cc/s200/sinar+1.png" width="200" /></a><br />
2.<span style="white-space: pre;"> </span>Sinar yang melalui fokus dipantulkan sejajar sumbu utama.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5Bkr1W3umMCmZ24ah6WIU2HYS8UqI-3EVrP6iao07CcJQODOC4bbcwXIHfo-Tiao0vynnm8FwedsNl_BuDFestuDZA9IDC6UMQ2_nPCoTGIVT5H1ZA-FhdsNEd4HF82jtHS9IyIXBbC4/s1600/sinar+2.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="184" data-original-width="270" height="136" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5Bkr1W3umMCmZ24ah6WIU2HYS8UqI-3EVrP6iao07CcJQODOC4bbcwXIHfo-Tiao0vynnm8FwedsNl_BuDFestuDZA9IDC6UMQ2_nPCoTGIVT5H1ZA-FhdsNEd4HF82jtHS9IyIXBbC4/s200/sinar+2.png" width="200" /></a></div>
3.<span style="white-space: pre;"> </span>Sinar menuju pusat kelengkungan m dipantulkan melalui titik itu juga.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqpUZasMi-pVIBSp_frOxg509GR1qAva5aw1TQxW5bzrQyt4IXX_qtGndnNmqxKCH87G_RakCpzEwzXdCo9MNU_YdCSk_ziOj-aSQaiaXW4kNlg8reQWPqebN_TSmkQOAU832v5UYfnvg/s1600/sinar+3.png" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="182" data-original-width="288" height="126" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqpUZasMi-pVIBSp_frOxg509GR1qAva5aw1TQxW5bzrQyt4IXX_qtGndnNmqxKCH87G_RakCpzEwzXdCo9MNU_YdCSk_ziOj-aSQaiaXW4kNlg8reQWPqebN_TSmkQOAU832v5UYfnvg/s200/sinar+3.png" width="200" /></a></div>
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Proses Pembentukan bayangan benda di Cermin Cekung<br />
1.<span style="white-space: pre;"> </span>Benda nyata / sejati di ruang I<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzDvkwMHW0WFQhP7CWOfiOdWdjygTorvu-OtD76vMJqX3E5SpaCGwurcTZ66rqfUJOFUpuhaeHANv6jF2X_Vz5wlIPZnfNfUtOKlzgEZA9yEer-IddIqHKi4STrt97fzLx3vMSwjBFE4U/s1600/bayangan+1.JPG" imageanchor="1" style="clear: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><img border="0" data-original-height="530" data-original-width="974" height="344" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzDvkwMHW0WFQhP7CWOfiOdWdjygTorvu-OtD76vMJqX3E5SpaCGwurcTZ66rqfUJOFUpuhaeHANv6jF2X_Vz5wlIPZnfNfUtOKlzgEZA9yEer-IddIqHKi4STrt97fzLx3vMSwjBFE4U/s640/bayangan+1.JPG" width="640" /></a><br />
2.<span style="white-space: pre;"> </span>Benda nyata / sejati di titik focus (F)<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhscypz_cUmdh9ePT0tWwuNSF18MeRD5JuqGXk48FTW2s61fapYe2j4VS0DqIeMRnApnN2fQ3qNdGYVqAIEbdZ2CNh427PkVaTA12tIZc92HaiDZDC4Y_0lsW28-iTR5TJKrhzDIBtz3NU/s1600/bayangan+2.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img border="0" data-original-height="489" data-original-width="613" height="510" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhscypz_cUmdh9ePT0tWwuNSF18MeRD5JuqGXk48FTW2s61fapYe2j4VS0DqIeMRnApnN2fQ3qNdGYVqAIEbdZ2CNh427PkVaTA12tIZc92HaiDZDC4Y_0lsW28-iTR5TJKrhzDIBtz3NU/s640/bayangan+2.JPG" width="640" /></a><br />
<span style="white-space: pre;">  </span><br />
3.<span style="white-space: pre;"> </span>Benda nyata/sejati di ruang II :<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhWfaRmEjnO2-I1srBDsyE7dByhtPwFWKlURDEfMwOx4MF_zOsa6lOUg3KDwZExpCY1ddBtG5K8xFL4CmyYLSNwp95xB6z8dpCBWUbXGzmiAz2FgdQOSDy4CwGD4FqfOXuymLsJIlJ-dEg/s1600/bayangan+3.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img border="0" data-original-height="504" data-original-width="813" height="395" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhWfaRmEjnO2-I1srBDsyE7dByhtPwFWKlURDEfMwOx4MF_zOsa6lOUg3KDwZExpCY1ddBtG5K8xFL4CmyYLSNwp95xB6z8dpCBWUbXGzmiAz2FgdQOSDy4CwGD4FqfOXuymLsJIlJ-dEg/s640/bayangan+3.JPG" width="640" /></a><br />
4.<span style="white-space: pre;"> </span>Benda nyata / sejati di M :<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3pZfxDusgot27hNDJ6VkE4_rp0D0J-A0e8g0Y5eBONEzrBWqIe4nbXmwVMbrsnp0dmcujpb5DLw8jcOrtHpImqCcDW_QypmmWlCRacN-cPUTHsb8lSr7mOBkto8NBKWGQQN-wCiLUY8o/s1600/bayangan+4.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img border="0" data-original-height="492" data-original-width="762" height="411" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3pZfxDusgot27hNDJ6VkE4_rp0D0J-A0e8g0Y5eBONEzrBWqIe4nbXmwVMbrsnp0dmcujpb5DLw8jcOrtHpImqCcDW_QypmmWlCRacN-cPUTHsb8lSr7mOBkto8NBKWGQQN-wCiLUY8o/s640/bayangan+4.JPG" width="640" /></a><br />
5.<span style="white-space: pre;"> </span>Benda nyata / sejati di ruang III :<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFcALsewZKgRzwDLPGsIXmSN-ChE57xqyWpXaql1BOhGq-0pWlaBBrF_aOeI5CuMLwd7Yp7W7-vHV7rbgWc7c21fmUnJEgYNJassRKYrxkbFyz8ESIgRhIxzZlsmnilWN6SH7aqqT2hdw/s1600/bayangan+5.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img border="0" data-original-height="468" data-original-width="741" height="404" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFcALsewZKgRzwDLPGsIXmSN-ChE57xqyWpXaql1BOhGq-0pWlaBBrF_aOeI5CuMLwd7Yp7W7-vHV7rbgWc7c21fmUnJEgYNJassRKYrxkbFyz8ESIgRhIxzZlsmnilWN6SH7aqqT2hdw/s640/bayangan+5.JPG" width="640" /></a><br />
6.<span style="white-space: pre;"> </span>Benda maya / semu di ruang IV :<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCl-pjdw02scBQNXLrsUK_3E01EC7Zik9JnPYQZ89hU1SO1TQMgl_T9uBtDcE5nERjM-HgvU_Od09_u6W7WTQCbOzdgxPSiumN2Ms5diliOLZo3gS6t_kR5DQ5rxkpxh2U1jIQTOJRNes/s1600/bayangan+6.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="402" data-original-width="808" height="318" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCl-pjdw02scBQNXLrsUK_3E01EC7Zik9JnPYQZ89hU1SO1TQMgl_T9uBtDcE5nERjM-HgvU_Od09_u6W7WTQCbOzdgxPSiumN2Ms5diliOLZo3gS6t_kR5DQ5rxkpxh2U1jIQTOJRNes/s640/bayangan+6.JPG" width="640" /></a></div>
<br />
<b>Satu–satunya posisi benda pada cermin cekung yang menghasilkan bayangan maya / semu jika benda berada di ruang I.</b><br />
<br />
<b>Dengan prinsip ruang, kita dapat menentukan letak dan sifat bayangan secara cepat. Yaitu dengan prinsip ruang Letak benda dan ruang bayangan berjumlah 5</b><br />
<br />
<ul>
<li>jika ruang bayangan lebih besar dari ruang benda maka bayangan yang dihasilkan diperbesar</li>
<li>jika ruang bayangan lebih kecil dari ruang benda maka bayangan yang dihasilkan diperkecil</li>
</ul>
<br />
contoh:<br />
<ul>
<li>Benda di ruang II, maka bayangan pasti di ruang III.  Karena III lebih besar dari II, dan berada di depan cermin, maka sifat bayangan yang terbentuk adalah diperbesar dan nyata</li>
<li>benda di ruang I, maka bayangan pasti di ruang IV  (I+IV = V) dan sifatnya diperbesar dan bersifat maya (tidak dapat ditangkap layar), ingat ruang IV ada di belakang cermin. Cermin secara normal akan menghasilkan bayangan di depan cermin bukan di belakang cermin</li>
</ul>
<h2>
<span style="color: blue;"><i><a href="https://webipasmp.blogspot.com/2020/04/materi-cermin-cembung-ipa-smp-kelas-8.html" target="_blank">Baca Juga: Materi Cermin Cembung IPA SMP kelas 8</a></i></span></h2>
<br />
Cermin cekung disebut cermin positif, karena R dan f nya positif (di depan cermin)<br />
<br />
<span style="white-space: pre;"> </span><br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhw0clRsDwuRQHj-Ukd05twLdUjYtd03lX9RvBBH2WonZwKHfVp3JHJu_L1plJHRB0uJ5PoZ9ajLGYOkaRuLOF-j28hXyvz4HP0HjETU9V7PmK-sCCoJzvIMmSXmlD0UyvModD2mlaVekg/s1600/perbesaran.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="462" data-original-width="1107" height="265" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhw0clRsDwuRQHj-Ukd05twLdUjYtd03lX9RvBBH2WonZwKHfVp3JHJu_L1plJHRB0uJ5PoZ9ajLGYOkaRuLOF-j28hXyvz4HP0HjETU9V7PmK-sCCoJzvIMmSXmlD0UyvModD2mlaVekg/s640/perbesaran.JPG" width="640" /></a></div>
</div>
<div class="MsoNormal">
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Materi Cermin Cekung IPA SMP Kelas 8

Bayangan di sendo Pernahkah kalian memakai melihat bayangan kalian di sendok yang bagian dalam? Bagian sendok yang bagian dalam meru...

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