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In- an equilateral triangular prism, the...

In- an equilateral triangular prism, the angle of minimum deviation for a certain wavelength is `40^@`. The corresponding angle of incidence is

A

`30^@`

B

`60^@`

C

`45^@`

D

`50^@`

Text Solution

Verified by Experts

The correct Answer is:
D
Angle of incidence, `i =(A+D_(m))/2 =(60+40)/2 =50^@`
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