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Light appears to travel in straight line...

Light appears to travel in straight lines since

A

it is not absorbed by the atmosphere

B

it is reflected by the atmosphere

C

its wavelength is very small

D

its velocity is very large

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The correct Answer is:
C
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CP SINGH-WAVE NATURE OF LIGHT-EXERCISES
  1. Wave nature of light follows because

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  2. Ray optics is valid when characteristic dimensions are

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  3. Light appears to travel in straight lines since

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  4. The velocity of light in diamond, glass and water decreases in the fol...

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  5. Choose the correct option:

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  6. Choose the correct option: (i) A surface on which the wave disturban...

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  7. A wavefront and a ray of light are

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  8. Huygen's principle of secondary waves

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  9. Huygen's priciple of secondary wavelets may be used to

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  10. Which one of the following phenomena is not explained by Huygens const...

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  11. By Huygen's wave theroy of light, we cannot explain the phenomenon of

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  12. In the adjoining figure, a wavefront AB moving in air is incident on a...

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  13. In the adjacent diagram, CP represents a wavefront and AO & BP, the co...

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  14. Which of the following sources gives best mionochromatic light?

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  15. A laser beam is used for carrying our surgery because it

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  16. Two sources of light are said to be coherent if the waves produced by ...

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  17. To deminstrate the phenimenon of interference, we require two sources ...

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  18. For the sustained interference of light, the necessary condition is th...

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  19. Four light waves are represented by i. y=a1sin omegat ii. y=a2sin(o...

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  20. Young's experiment establishes that

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