JEE Main 2019 — Waves and Sound Question with Solution
JEE Main 2019 (10 Apr Shift 2)
Question
A source of sound is moving with a velocity of towards a stationary observer. The observer measures the frequency of the source as What will be the apparent frequency of the source when it is moving away from the observer after crossing him? (Take velocity of sound in air is )
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
When source approaches,
When source recedes,
When source recedes,
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This is a previous-year question from JEE Main 2019, covering the Waves and Sound chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.