Physics · 2025
JEE Main · 7 April 2025, Shift 1 · Q34
Two harmonic waves moving in the same direction superimpose to form a wave x= a cos (1.5 t ) cos (50.5 t ) where t is in seconds. Find the period…
Two harmonic waves moving in the same direction superimpose to form a wave $\displaystyle x=\mathrm{a} \cos (1.5 \mathrm{t}) \cos (50.5 \mathrm{t})$ where t is in seconds. Find the period with which they beat. (close to nearest integer)
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 2$ s
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.