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If the shift of wavelength of light emit...

If the shift of wavelength of light emitted by a star is towards violet, then this shows that star is

A

stationary

B

moving towards earth

C

moving away from earth

D

Information is incomplete

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The correct Answer is:
B
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NARAYNA-WAVE OPTICS-C . U . Q (Polarisation)
  1. Choose the correct statement .

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  2. The polarising angle for glass is

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  3. When an unpolarised light is polarized, then the intensity of light of...

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  4. Unpolarised light is incident on two polarizing sheets which are so or...

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  5. When light falls on two polaroid sheets, one observes complex brightne...

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  6. Polaroid are used

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  7. A diffraction pattern is obtained using a beam of redlight. What happe...

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  8. In a diffraction pattern the width of any fringe is

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  9. Yellow light is used in a single slit of diffraction experiment with s...

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  10. A star is going away from the earth. An observer on the earth will see...

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  11. Red shift is an illustration of

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  12. If the shift of wavelength of light emitted by a star is towards viole...

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  13. When there is a relative motion of an observer from a source of light,...

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  14. In the context of Doppler effect in light, the term red shift signifie...

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  15. As we change the colour of light from Red to Blue, which of the follow...

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  16. Atmospheric refraction is due to

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  17. Which of the following phenomenon is not common to sound and light wav...

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  18. Polarisation can be produced by

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  19. An unpolarised light is incident on a surface separating two transpare...

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  20. The intensity of the polarized transmitted through the analyzer is giv...

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