The correct formula for fringe visibility is - Vidyadip

MCQ

The correct formula for fringe visibility is

✓
$V\, = \,\frac{{{I_{\max }} - {I_{\min }}}}{{{I_{\max }} + {I_{\min }}}}$
B
$V\, = \,\frac{{{I_{\max }} + {I_{\min }}}}{{{I_{\max }} - {I_{\min }}}}$
C
$V\, = \,\frac{{{I_{\max }}}}{{{I_{\min }}}}$
D
$V\, = \,\frac{{{I_{\min }}}}{{{I_{\max }}}}$

✓

Answer

Correct option: A.

$V\, = \,\frac{{{I_{\max }} - {I_{\min }}}}{{{I_{\max }} + {I_{\min }}}}$

a
Fringe visibility $(V)$ is given by

$V\, = \,\frac{{{I_{\max }} - {I_{\min }}}}{{{I_{\max }} + {I_{\min }}}}$.

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