Question

A sound wave is shown graphically. If the speed of sound wave is 350m/s, then wavelength of sound wave is approximately

Answer 1

Answer:

s=330

h=1.5cm=1.5/100=0.015

$$s×h$$

$$330×0.015$$

=4.95Hz

it Will not be audible as it less than 20Hz

Hence,

it will be approximately  20Hz

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