JEE Main 2005 — Waves and Sound Question with Solution
JEE Main 2005
Question
When two tuning forks (fork 1 and fork 2) are sounded simultaneously, 4 beats per second are heard. Now, some tape is attached on the prong of the fork 2 . When the tuning forks are sounded again, 6 beats per seconds are heard. If the frequency of fork 1 is , then what was the original frequency of fork 2 ?
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Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Since mass of second tuning fork increases so decrease and beats increase so
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This is a previous-year question from JEE Main 2005, 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.