SATHEE: Optics Question 1082

Optics Question 1082

Question: Young’s experiment is performed in air and then performed in water, the fringe width

[CPMT 1990; MP PMT 1994; RPMT 1997; Kerala PMT 2004]

Options:

A) Will remain same

B) Will decrease

C) Will increase

D) Will be infinite

Show Answer

Answer:

Correct Answer: B

Solution:

$ \beta \propto \lambda ,\ \ \therefore \lambda \propto \frac{1}{\mu } $

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Optics Question 1082

Question: Young’s experiment is performed in air and then performed in water, the fringe width

Options:

Answer:

Solution:

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