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Critical angle of light passing from gla...

Critical angle of light passing from glass to air is minimum for

A

red

B

green

C

yellow

D

violet

Text Solution

Verified by Experts

The correct Answer is:
D
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Glass has refractive index mu with respect to air and the critical angle for a ray of light going from glass to air is theta . If a ray of light is incident from air on the glass with angle of incidence theta , the corresponding angle of refraction is