A ray of light passes from vaccume into a medium of refractive index n. if the angle of incidence is twice the angle of refraction, then the angle of incidence isA. `cos^(-1)(n//2)`B. `sin^(-1)(n//2)`C. `2 cos^(-1)(n//2)`D. `2sin^(-1)(n//2)`

A ray of light passes from vaccume into a medium of refractive index n

1.	A ray of light passes from vaccume into a medium of refractive index n. if the angle of incidence is twice the angle of refraction, then the angle of incidence isA. `cos^(-1)(n//2)`B. `sin^(-1)(n//2)`C. `2 cos^(-1)(n//2)`D. `2sin^(-1)(n//2)`
Answer» Correct Answer - C

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A ray of light passes from vaccume into a medium of refractive index n. if the angle of incidence is twice the angle of refraction, then the angle of incidence isA. `cos^(-1)(n//2)`B. `sin^(-1)(n//2)`C. `2 cos^(-1)(n//2)`D. `2sin^(-1)(n//2)`

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