Bab-4. Interferensi Cahaya
Bab-4. Interferensi Cahaya
Bab-4. Interferensi Cahaya
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
• 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