In a sinusoidal wave, time required for a particular point to move from maximum displacement to zero

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14.Waves and Sound

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In a sinusoidal wave, the time required for a particular point to move from maximum displacement to zero displacement is $0.170 \,s$. The frequency of wave is ........ $Hz$

A

$0.73$

B

$0.36$

C

$1.47$

D

$2.94$

Solution

(c)

Time period from maximum displacement $T_0$ zero displacement is $\frac{T}{4}=0.170 \,s$

$\therefore$ Total time $=4 \times 0.17=0.688$

Frequency $=\frac{1}{T}=1.47 \,Hz$

Standard 11

Physics

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