Home Physics Wave Optics Doppler's Effect of Light A star moves away from earth at speed 0.8 c …
Physics Wave Optics Doppler's Effect of Light MCQ (Single Correct)

A star moves away from earth at speed 0.8 c while emitting light of frequency . What frequency will be observed on the earth (in units of 10 14 Hz ) ( c = speed of light)

A
0.24
B
1.2
C
30
D
3.3

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Text Solution

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The correct answer is:
B

Observed frequency

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