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A ray of light passes from vaccume into ...

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 is

A

`cos^(-1)(n//2)`

B

`sin^(-1)(n//2)`

C

`2 cos^(-1)(n//2)`

D

`2sin^(-1)(n//2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • A ray of light passes from vaccum into a medium of refractive index n. If the angle of incidence is twice the angle of refraction, then the angle of incidence is

    A
    `cos^-1(n//2)`
    B
    `sin^-1(n//2)`
    C
    `2cos^-1(n//2)`
    D
    `2 sin^-1(n//2)`

  • A ray of light passes from vacuum into a medium of refractive index n . If the angle of incidence is twice the angle of refraction , then the relation between the angle of incidence and the refractive index is

    A
    `n = 2 sin ((i)/(2))`
    B
    `n = 2 cos ((i)/(2))`
    C
    ` n = 2 tan ((i)/(2))`
    D
    `n = (1)/(2) [ cos ((i)/(2))]`

  • The ray of light travels from raer medium to denser medium of refractive index mu . The angle of incidence of twice the angle of refraction. The angle of incidence is given by

    A
    `2sin^(-1) ((mu)/(2))`
    B
    `2 cos^(-1) ((2)/(mu))`
    C
    `2cos^(-1) ((mu)/(2))`
    D
    `sin^(-1) ((mu)/(2))`

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