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MHT CET 2025 (26 Apr, Shift 1) · Stationary Waves & Vibrating Strings

Stationary Waves & Vibrating Strings question from MHT CET 2025 (26 Apr, Shift 1)

Q27MHT CET 2025 · 26 APR · SHIFT 1Easy

Stationary Waves & Vibrating Strings

In Sonometer experiment, the frequency of a tuning fork used is 288 Hz. Harmonics will 'NOT' be produced at the frequency

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Answer: (c)

A sonometer wire resonates only at integer multiples of the fork frequency: $f_p = p \times 288\text{ Hz}$ .
$p = 1, 2, 3 \Rightarrow 288, 576, 864\text{ Hz}$ .
$844/288 \approx 2.93$ is not an integer.
So the answer is (c) $844\text{ Hz}$ .

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