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Atmospheric refraction is due to...

Atmospheric refraction is due to

A

changing pressure in the atmosphere

B

varying density of atmosphere

C

varying temperature of the atmosphere

D

both (2) and (3)

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The correct Answer is:
D
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NARAYNA-WAVE OPTICS-C . U . Q (Polarisation)
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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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