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Q.

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

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21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

a

Red

b

Violet

c

Green

d

Blue

answer is D.

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Detailed Solution

The relation between wave length and refractive index is

$λ \propto \frac{1}{μ}$

Red has maximum wave length among all colours, so it refracted less.

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