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When a ray of light is incident normally...

When a ray of light is incident normally on one refracting surface of an equilateral prism (Refractive index of the material of the prism `=1.5`

A

Emerging ray is deviated by `30^(@)`

B

Emerging ray is deviated by `45^(@)`

C

Emerging ray just grazes the second refracting surface

D

The ray undergoes total internal reflection at the second refracting surface

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The correct Answer is:
D
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