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The spread of frequency as observed by the passenger in train B is

+1 vote

asked Apr 3, 2019 in JEE by kratos

The spread of frequency as observed by the passenger in train B is

(A) 310 Hz (B) 330 Hz (C) 350 Hz (D) 290 Hz

sound waves
class-11
jee
jee mains

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1 Answer

+5 votes

answered Dec 1, 2020 by kratos

Best answer

Correct option (A) 310 Hz

Explanation:

For the passengers in train B, observer is receding with velocity 30 m/ and source is approaching with velocity 20 m/.

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