if the frequency of the sound is 3000 Hz then it produces
a. 18 × 10^4 oscillations per minute
b. 18 × 10^3 oscillations per minute
c. 18 × 10^2 oscillations per minute
d. 18 oscillations per second
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(a) option
in 1 sec=3000 oscillations
so, in 1 min(60sec)=3000×60=18×10^4 oscillations
in 1 sec=3000 oscillations
so, in 1 min(60sec)=3000×60=18×10^4 oscillations
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