Optics Question 1010

Question: If L is the coherence length and c the velocity of light, the coherent time is

[MP PMT 1996]

Options:

A) cL

B) $ \frac{L}{c} $

C) $ \frac{c}{L} $

D) $ \frac{1}{Lc} $

Show Answer

Answer:

Correct Answer: B

Solution:

Coherent time $ =\frac{Coherence\ length}{Velocity\ of\ light}=\frac{L}{c} $



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