Optics Question 898
Question: A light wave of wavelength propagates from point A to point B. We introduce in its path a glass plate of refractive index n and thickness l. The introduction of the plate alters the phase of the plate at B by an angle . If is the wavelength of lights on emerging from the plate, then
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: D
Solution:
[d]
Further, by Snell’s law