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A diver inside water sees the setting su...

A diver inside water sees the setting sun at `(sin^-1.(3)/(4)=49^@) (mu_omega=4//3)`

A

`41^@` to the horizon

B

`49^@` to the horizon

C

`0^@` to the horizon

D

`45^@` to the horizon

Text Solution

Verified by Experts

The correct Answer is:
A

`1xxsin90^@=mu_omegasinC`
`1=4/3sinC`
`sinC=3/4impliesC=sin^-1(3//4)=49^@`
`theta=90-C=90-49=41^@`
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CP SINGH-REFRACTION OF LIGHT BY PLANE SURFACES-Exercises
  1. A ray of light from a denser medium strikes a rarer medium at angle of...

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  2. A ray of light travelling in a transparent medium falls on a surface s...

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  3. A diver inside water sees the setting sun at (sin^-1.(3)/(4)=49^@) (mu...

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  4. A, B and C are three optical media of respective critical angles C1, C...

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  5. A ray of light travelling in water is incident on its surface open to ...

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

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  7. Figure shows a mixture of blue, green and red coloured rays incident n...

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  8. An air masked eye placed inside water refractive index, mu sees the ou...

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  9. A fish looking up through the water sees the outside world contained i...

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  10. A point source of light is placed 4m below the surface of a liquid of ...

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  11. A diver in a lake wants to signal his distress to a person sitting on ...

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  12. A light beam is travelling from Region I to IV (figure). The refractiv...

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  13. A transparent solid cylindrical rod has a refractive index of (2)/(sqr...

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  14. Light enters at an angle of incidence in a transparent rod of refracti...

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  15. When light is incident on a medium at angle i and refracted into a sec...

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  16. A rectangular slab ABCD, of refractive index n1 , is immersed in water...

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  17. A ray of light travels from an optically denser to rarer medium. The c...

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  18. A ray of light travels from a medium of refractive index mu to air. It...

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  19. The reason for shining of air bubble in water is

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  20. Which of the following is not due to total internal reflection ?

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