Question

Wave pulse on a strong moves at a distance of 8m in 0.05sec.......(1)find the velocity of the pulse.(2)what would be the wavelength of the wave on the some string if its ferquenecy is 200hz?

Answer 1

v = x/t
Given x =8m
t = 0.05s
So, v = x/t
=  8/0.05
= 800/5
= 160m/s
Also, v = f*λ
f = 200Hz
 λ = v/f
= 160/200
=0.8 m


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