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. Pemantulan pada Cermin Cekung<br />

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III<br />

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B<br />

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II<br />

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Gambar 6.11<br />

Gambar bayangan jika letak bendanya di<br />

ruang II<br />

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Gambar 6.12<br />

Gambar bayangan jika bendanya di<br />

ruang I<br />

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P<br />

R<br />

f = jarak fokus<br />

R = kelengkungan cermin<br />

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Gambar 6.8<br />

Bagian-bagian cermin cekung<br />

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Gambar 6.9<br />

Sinar istimewa pada cermin<br />

cekung<br />

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A<br />

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Gambar 6.10<br />

Pembentukan bayangan di ruang III<br />

AB pada cermin cekung<br />

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Cahaya dan Optika<br />

f<br />

F<br />

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