Question

A source of sound of frequency 500 Hz
produces waves in a medium of wave length
0.1 metre. The waves will travel distance of
300 m in---
(a) 0.6 sec.(b) 3.6 sec. (c) 30 sec. (d) 6 sec.​

Answer 1

Explanation:

Wavelength=0.2m

Frequency=500Hertz

Distance=300 m

Using formula

Velocity=V =frequency x wavelength

V=500*0.2

V=100 m/s

Time =t =distance/velocity

t = 300m / 100 ms^-1

t =3 seconds

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Answer 2

Answer:6 sec

Explanation:

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