JEE Main 2020 — Waves and Sound Question with Solution
JEE Main 2020 (04 Sep Shift 2)
Question
The driver of bus approaching a big wall notices that the frequency of his bus's horn changes from to when he hears it after it gets reflected from the wall. Find the speed of the bus if speed of the sound is :
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Frequency appeared at wall
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This is a previous-year question from JEE Main 2020, 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.