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Physics
The correct formula for fringe visibility is
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Q. The correct formula for fringe visibility is
Wave Optics
A
$V=\frac{I_{\max }-I_{\min }}{I_{\max }+I_{\min }}$
50%
B
$V=\frac{I_{\max }+I_{\min }}{I_{\max }-I_{\min }}$
41%
C
$V=\frac{I_{\max }}{I_{\min }}$
9%
D
$V=\frac{I_{\min }}{I_{\max }}$
0%
Solution:
Fringe visibility $(V)$ is given by,
$V=\frac{I_{\max }-I_{\min }}{I_{\max }+I_{\min }}$