First slide

Characterstics of wave

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,
$n_{t} = n_{0} (1 - 0.00011 t)$
where $n_{t}$ = frequency at t ⁰C, $n_{0}$ = frequency at 0°C.

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