JEE Main 2009 — Waves and Sound Question with Solution
JEE Main 2009
Question
A motor cycle starts from rest and accelerates along a straight path at . At the starting point of the motor cycle there is a stationary electric sire. How far has the motor cycle gone when the driver hears the frequency of the siren at of its value when the motor cycle was at rest? (speed of sound
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Motor cycle,
Observer is in motion and source is at rest.
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This is a previous-year question from JEE Main 2009, 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.