& A wave of frequency 1000 Hz travel between X and Y, a distance of 600 m in 2 seconds.
number of waves between X and Y is
b) 200
c) 180
d) 2000
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Answer:
frequency is equal to 1000
distance is equal to 600
time is equal to 2 seconds
no of waves is equal to 2*1000
=2000
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