SATHEE: Optics Question 1137

Optics Question 1137

Question: In Young’s double-slit experiment the fringe width is b. If entire arrangement is placed in a liquid of refractive index n, the fringe width becomes

[KCET 2003]

Options:

A) $\frac{β}{n + 1}$

B) nb

C) $\frac{β}{n}$

D) $\frac{β}{n - 1}$

Show Answer

Answer:

Correct Answer: C

Solution:

$β = \frac{λ D}{d}$ and $λ \propto \frac{1}{μ}$

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Optics Question 1137

Question: In Young’s double-slit experiment the fringe width is b. If entire arrangement is placed in a liquid of refractive index n, the fringe width becomes

Options:

Answer:

Solution:

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