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Minima in Diffraction

If a source o...

Question

If a source of light is moving away from a stationary observer, then the frequency of light wave appears to change because of _____________.

A

doppler's effect

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B

diffraction

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C

interference

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D

photoelectric effect

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Solution

The correct option is A doppler's effect
The relativistic Doppler effect is the change in frequency and wavelength of light caused by the relative motion of the source and the observer.

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