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A ray of light passes from vaccum into a...

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

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS-Assignment (Section - B) Objective Type Questions (One option is correct)
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  2. For an eye kept at a depth h inside water is refractive index mu, and ...

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  3. A convex lens A of focal length 20cm and a concave lens B of focal len...

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  4. An equilateral triangular prism is made of glass (mu = 1.5). A ray of ...

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  5. White light is incident on the interface of glass and air as shown in ...

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  6. In a spherical paper weight (R = 10 cm) made of glass of refractive in...

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  7. A concave mirror is placed on a horizontal table with its axis directe...

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  8. Two prisms of same glass (mu = sqrt(2)) are stuck together without gap...

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  9. A short linear object of length b lies along the axis of a concave mir...

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  10. An object is placed 1m in front of the curved surface of a plano-conve...

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  11. Figure shows a torch sending a parallel beam of light fixed on a wall ...

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  12. A ray of light passes from vaccum into a medium of refractive index n....

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  13. A plane mirror is placed horizontally inside water (mu=4/3). A ray fal...

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  14. A thin lens focal length f and its aperture has diameter d. It forms a...

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  15. A tank contains a transparent liquid of refractive index mu. The botto...

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