E
Editor
Sep 18, 2022
Phase change of $180^{\circ}$ is equivalent to a path difference of:
Difficulty: Easy
A:
$2\lambda$
B:
$\lambda$
C:
$\frac{\lambda}{2}$
D:
$\frac{\lambda}{4}$
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ID: 63273db8ca83163ac3a0efc7