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a) How can you bend light away from the ...

a) How can you bend light away from the normal?
b) How must light travel away from the normal?

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a) Make the light enter from a denser medium to a rarer medium b) At right angles `(90^(@))` to the surface of substances.
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LAKHMIR SINGH & MANJIT KAUR-REFRACTION OF LIGHT-Exercise
  1. How is the refraction of light ray from a plane mirror different from ...

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

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

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

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

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

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

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  8. What is the unit of refractive index?

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

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

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

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

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

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

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

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  16. Define Snell's law of refraction. A ray of light is incident on a glas...

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  17. The speed of light in vaccum and in two different glasses is given in ...

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  18. The speed of light in air is 3 xx 10^(8) m/s. IN medium X its speed is...

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  19. What is the speed of light in a medium of refractive index 6/5 if its ...

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  20. The refractive index of glass is 1.5. Calculate the speed of light in ...

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