Physics · 2018
JEE Main · 15 April 2018, Shift 2 · Q13
5 beats/second are heard when a tuning fork is sounded with a sonometer wire under tension, when the length of the sonometer wire is either 0.95 m or…
$\displaystyle 5$ beats/second are heard when a tuning fork is sounded with a sonometer wire under tension, when the length of the sonometer wire is either $\displaystyle 0.95$ m or $\displaystyle 1$ m. The frequency of the fork will be :
Official answer
(1)
$\displaystyle 195$ Hz
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JEE Main 2018 Physics question, with the answer from NTA’s final answer key. Where our answers come from.