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A ray of light passes from a medium X to...

A ray of light passes from a medium X to another medium Y. No refraction of light occurs if the ray of light hits the boundary of medium Y at an angle of:

A

`0^(@)`

B

`45^(@)`

C

`90^(@)`

D

`120^(@)`

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A
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LAKHMIR SINGH & MANJIT KAUR-REFRACTION OF LIGHT-Exercise
  1. When a ray of light travelling in glass enters into water obliquely:

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  2. A ray of light travelling in water falls at right angles to the bounda...

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  3. A ray of light passes from a medium X to another medium Y. No refracti...

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  4. Which of the following diagrams shows correctly the dispersion of whit...

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  5. A vertical ray of light strikes the horizontal surface of some water: ...

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  6. How is the refraction of light ray from a plane mirror different from ...

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  7. how does the light have to enter the glass: a) to produce a large am...

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  8. a) How can you bend light away from the normal? b) How must light tr...

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  9. Draw and complete the following diagrams to show what happens to the b...

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  10. Why does a beam of light bend when it enters glass at an angle? Why do...

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  11. What name is given to the ratio of sine of angle of incidence to the s...

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  12. Write the relation between the angle of incidence and the angle of ref...

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  13. What is the unit of refractive index?

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  14. Which has higher refractive index: water or glass?

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  15. Refractive indices of carbon disulphide and ethyl alcohol are 1.63 and...

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  16. The refractive index of diamond is 2.42. What is the meaning of this s...

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  17. If the refractive index for light going from air to diamond be 2.42, w...

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  18. How is the refractive index of a material related to the speed of ligh...

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  19. Fill in the following blank with a suitable word: When a ray of ligh...

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  20. Give three examples of materials that refract light rays. What happens...

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