Optics Question 594

Question: A convex lens of crown glass ( $ n $ =1.525) will behave as a divergent lens if immersed in

[CPMT 1984]

Options:

A) Water (n =1.33)

B) In a medium of n = 1.525

C) Carbon disulphide n =1.66

D) It cannot act as a divergent lens

Show Answer

Answer:

Correct Answer: C

Solution:

A lens shows opposite behaviour if $ {\mu _{medium}}>{\mu _{lens}} $



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