Physics · 2023
JEE Main · 8 April 2023, Shift 2 · Q51
A guitar string of length 90 cm vibrates with a fundamental frequency of 120 Hz. The length of the string producing a fundamental frequency of 180 Hz…
A guitar string of length $\displaystyle 90$ cm vibrates with a fundamental frequency of $\displaystyle 120$ Hz . The length of the string producing a fundamental frequency of $\displaystyle 180$ Hz will be
$\displaystyle \_\_\_\_$ cm .
Official answer
From NTA’s final answer key for this paper.
60
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.