Answers

The Brainliest Answer!
2016-01-03T13:23:26+05:30
T=1/freq.
T=1/50
T=0.2s
the time period is 0.2s
but we are talking about the next rarefaction not compression so, T/2 = 0.1 s
2 5 2
please mark as brainliest
ashu don't u think the answer is 0.01 s 
see ur calculation 
srry. sometime its happen otherwise my explaination is correct.
yes