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When light is refracted into a medium...

When light is refracted into a medium

A

its wavelength and frequency remain unchanged

B

its wavelength increases but frequency remain unchanged

C

its wavelength decreases but frequency remain unchanged

D

its wavelength anf frequency both decrease

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The correct Answer is:
C
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CP SINGH-WAVE NATURE OF LIGHT-EXERCISES
  1. The speed of light depends

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  2. The equation of a light wave i written as y=Asin(kx-omegat). Here y r...

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  3. When light is refracted into a medium

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  4. Wave nature of light follows because

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  5. Ray optics is valid when characteristic dimensions are

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  6. Light appears to travel in straight lines since

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

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  8. Choose the correct option:

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

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  10. A wavefront and a ray of light are

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  11. Huygen's principle of secondary waves

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

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

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

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

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

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

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

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

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

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