In a Newton's rings apparatus, find the phase difference (in radians) when an air wedge of 500 nm thickness is illuminated with red light ($\lambda$ = 640 nm).
A)13
B)11
C)9
D)7
E)3

Name: In a Newton's rings apparatus, find the phase difference (in radians) when an air wedge of 500 nm thickness is illuminated with red light ($\lambda$ = 640 nm). A)13 B)11 C)9 D)7 E)3
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Question

Quizplus · Accepted Answer

Phase difference = (2π/λ) * thickness= (2π/640 nm) * 500 nm= 13 radians

In a Newton's Rings Apparatus, Find the Phase Difference (In λ\lambdaλ

In a Newton's Rings Apparatus, Find the Phase Difference (In $\lambda$