a longitudinal wave travels at a speed of 0.3 m/s and the frequency of wave is 20 Hz. Find the separation between the two consecutive compressions.
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speed = V = 0.3 m/s
frequency = n = 20Hz
wave length = ?
speed = frequency× wave length
V = n × wave length
V/n = wave length
0.3/20 = wave length
3/10/20 = wave length
3/10×1/20 = wave length
0.015 metre = wave length
so the separation between the two consecutive compression = wave length = 0.015 metre.....
frequency = n = 20Hz
wave length = ?
speed = frequency× wave length
V = n × wave length
V/n = wave length
0.3/20 = wave length
3/10/20 = wave length
3/10×1/20 = wave length
0.015 metre = wave length
so the separation between the two consecutive compression = wave length = 0.015 metre.....
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