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When light is refracted into a medium...

When light is refracted into a medium

A

its wavelength and frequency both increase

B

its wavelength increases but frequency remains unchanged

C

its wavelenght decreases but frequency remains unchanged.

D

its wavelength and frequency both decrease.

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The correct Answer is:
C
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ALLEN-WAVE OPTICS-Exercise 1 (Check your Grasp)
  1. A ray of light is incident on a thin film, As shown in figure, M and N...

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  2. Let S(1) and S(2) be the two slits in Young's double-slit experiment. ...

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  3. When light is refracted into a medium

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  4. Two point source separated by d=5mum emit light of wavelength lamda=2m...

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  5. Two coherent narrow slits emitting light of wavelength lamda in the sa...

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  6. Minimum thickness of a mica sheet having mu=(3)/(2) which should be pl...

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  7. In the YDSE shown the two slits are covered with thin sheets having th...

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  8. In a YDSE with two identical slits, when the upper slit is covered wit...

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  9. Light wavelength 650 nm is incident normally upon a glass plate the gl...

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  10. Diffraction and interference of light refers to -

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  11. The phenomenon of diffraction of light was discovered by-

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  12. Sound waves shown more diffraction as compare to light rays-

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  13. The conversation going on, in some room, can be heared by the person o...

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  14. Diffraction initiated from obstacle, depends upon the

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  15. Phenomenon of diffraction occurs

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  16. Diffraction of light is observed only, when the obstacle size is-

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  17. which of the following any gives more distinct diffraction

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  18. All fringes of diffraction are of-

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  19. A single slit of width d is placed in the path of beam of wavelength l...

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  20. Direction of the first secondary maximum in the Fraunhofer diffraction...

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