A ray of light is incident on a glass sphere of refractive index 1 Options: A . &nbspTan-1(2/3) B . &nbspsin-1(2/3) C . &nbsp900 D . &nbspcos-1(2/3)

A ray of light is incident on a glass sphere of refractive index 1

Question

A ray of light is incident on a glass sphere of refractive index 1

Options:

A . Tan-1(2/3)

B . sin-1(2/3)

C . 900

D . cos-1(2/3)

Answer: Option C

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