JEE Main 2012 — Waves and Sound Question with Solution
JEE Main 2012 (26 May Online)
Question
The disturbance of a wave propagating in the positive -direction is given by at time and by at , where and are in meters. The shape of the wave disturbance does not change during the propagation. The velocity of wave in is
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
The equation of wave at any time is obtained by putting
We know at ,
On comparing (i) and (ii) we get
As
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Waves and Sound chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2012, 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.