A sound wave has frequency 2khz …
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Yogita Ingle 5 years, 1 month ago
Frequecy=f=2hz
Wavelength=λ=40cm=0.4m
Distance=S=1.6km=1600m
Time taken by the wave to reach the distance 1600m = t = ??
Solution:
Since we know that :-
V=fλ
By using the above formula we will find velocity (v):-
V=2×0.4
V=0.8m/s
So as we know that:-
V=S/t
Therefore:-
T=S/V
By subsituting the values in above equation:
T=1600/0.8
T=2000seconds
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