JEE Main 2026 — Waves and Sound Question with Solution
JEE Main 2026 (28 January Shift 2)
Question
Two tuning forks and are sounded together giving rise to 8 beats in 2 s. When fork is loaded with wax, the beat frequency is reduced to 4 beats in 2 s. If the original frequency of tuning fork is 380 Hz then original frequency of tuning fork is Hz.
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Show full solutionCorrect answer: 384
Correct answer
384
Step-by-step explanation
So, Hz or Hz
on loading with wax decreases
So, Hz
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This is a previous-year question from JEE Main 2026, 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.