Optics Question 1134
Question: When a thin transparent plate of thickness t and refractive index m is placed in the path of one of the two interfering waves of light, then the path difference changes by
[MP PMT 2002]
Options:
A) (m + 1)t
B) (m -1)t
C) $ \frac{(\mu +1)}{t} $
D) $ \frac{(\mu -1)}{t} $
Show Answer
Answer:
Correct Answer: B
Solution:
(m -1)t