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Bab-4. Interferensi Cahaya

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<strong>4.</strong> CINCIN NEWTON<br />

Hubungan<br />

antara jari-jari<br />

kurvatur lensa<br />

konvek, tebal<br />

film dan jarak x :<br />

x<br />

2<br />

=<br />

=<br />

R<br />

2<br />

−<br />

2Rd<br />

− d<br />

( R − d )<br />

2<br />

2<br />

R<br />

>><br />

d,<br />

maka :<br />

x<br />

2 =<br />

2Rd

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