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State whether the following statement is...

State whether the following statement is true or false?
Refraction occurs because light show down in denser materials.

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LAKHMIR SINGH & MANJIT KAUR-REFRACTION OF LIGHT-Exercise
  1. As light rays pass from water into glass, are they refracted towards t...

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  2. In which material do you think light rays travel faster-glass or air?

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  3. State whether the following statement is true or false? Refraction o...

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  4. Why does a ray of light bend when it travels from one medium to anothe...

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  5. Fill in the following blanks with suitable words: a) Light travellin...

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  6. What is meant by 'refraction of light'? Draw a labelled ray diagram to...

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  7. A ray of light travelling in air incident on a rectangular glass block...

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  8. Draw a labelled ray diagram to show how a ray of light is refracted wh...

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  9. The diagram given alongside shows a ray of light entering a rectangula...

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  10. What is meant by the 'angle of incidence' and the 'angle of refraction...

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  11. Light travels more quickly through water than through glass. a) Whic...

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  12. Draw a labelled ray diagram to show how a ray of light passes through ...

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  13. When a light ray passes from air into glass, what happens to its speed...

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  14. A pencil when dipped in water in a glass tumbler appears to be bent at...

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  15. Light is travelling from a denser medium to a rarer medim along a norm...

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  16. A ray of light passes from glass into air. The angle of refraction wil...

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  17. A ray of light travelling in air goes into water. The angle of refract...

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  18. The speed of light in air is:

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  19. When a ray of light travelling in glass enters into water obliquely:

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

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