Home Physics Wave and Sound JEE (Main) / AIEEE Problems Previous Years An observer is moving with half the speed of…
Physics Wave and Sound JEE (Main) / AIEEE Problems Previous Years MCQ (Single Correct)

An observer is moving with half the speed of light towards stationary microwave source emitting waves at frequency 10 GHz. What is the frequency of the microwave measured by the observer? (speed of light )

A
15.3 GHz
B
10.1 GHz
C
12.1 GHz
D
17.3 GHz

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Text Solution

Verified by Experts
The correct answer is:
D

v' = 10 × 1.73 = 17.3 GHz

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