Sound wave causes the density of air at a place to oscillate 1000 times
in 2 minutes. Find the time period and frequency of the wave.
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Answer:
Frequency-8.33 ,Time period -0 .12
Explanation:
time-2min.=(2*60)s= 120 seconds
as frequency is defined to be no. of waves passing per unit time .
frequency(f)=1000/120
=8.33 s-1
time period=1/f
=1/8.33
=0.12s
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