Optics Question 753

Question: A plane glass slab is kept over various coloured letters, the letter which appears least raised is

[J & K CET 2004; BHU 1998, 05]

Options:

A) Blue

B) Violet

C) Green

D) Red

Show Answer

Answer:

Correct Answer: D

Solution:

μ=hh′⇒h′∝1μ

∵μR<μV so h′R>h′V i.e. Red colour letter appears least raised.

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