1. A sound wave has a frequency of 3kHz
and wavelength of 15c.m. How much
time will it take to travel 2k.m?
Answers
Answered by
7
Answer:
It is given that
Frequency =3kHz=3000Hz
Wavelength =15cm=15/100 m
we know that
Velocity =Frequency into wavelength
V=2000(15/100)
V=300m/sec
Now time =distance /speed
Time = 2000/300m/sec
Time= 6.666sec
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