JEE Main 2017 Solved Paper Solved Paper

Section: Physics

Question : 27 of 90

Marks: +1, -0

An observer is moving with half the speed of light towards a stationary microwave source emitting waves at frequency 10 GHz. What is the frequency of the microwave measured by the observer?
(speed of light=3×108ms−1)

[Main 2017]

17.3 GHz
15.3 GHz
10.1 GHz
12.1 GHz

Validate

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