Optics Question 850
Question: In the ideal double-slit experiment, when a glass- plate (refractive index 1.5) of thickness t is introduced in the path of one of the interfering beams , the intensity at the position where the central maximum occurred previously remains unchanged. The minimum thickness of the glass-plate is
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: A
Solution:
[a] Path difference