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Bab-4. Interferensi Cahaya

Bab-4. Interferensi Cahaya

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• Maka :<br />

I<br />

12<br />

=<br />

r<br />

E<br />

dengan<br />

01<br />

δ<br />

r<br />

• E cos<br />

02<br />

r<br />

=<br />

( )<br />

k • r + ε − k • r + ε<br />

1<br />

δ<br />

δ adalah perbedaan fasa akibat beda panjang<br />

lintasan dan fasa awal kedua sumber<br />

r<br />

( )<br />

• Jika E ⊥ E E ⊥ E<br />

01<br />

r<br />

I<br />

I<br />

02<br />

12<br />

=<br />

=<br />

I<br />

r<br />

1<br />

0<br />

+<br />

I<br />

r<br />

2<br />

1<br />

r<br />

2<br />

,maka :<br />

2

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