First slide

Beats

Question

When temperature increases, the frequency of a tuning fork

Moderate

A

Increases
B

Decreases
C

Remains same
D

Increases or decreases depending on the material

Solution

With temperature rise frequency of tuning fork decreases. Because, the elastic properties are modified when temperature is changed
also, $n_{t} = n_{s} (1 - 0 .00011 t)$
where n_t frequency at t⁰c, n₀ = frequency at 0⁰C

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