Answers

2016-02-16T19:49:38+05:30
frequency = 1/ time period
therefore,
frequency = 1/30 =0.033 Hz....
i hope it helps.............
2 4 2
2016-02-17T14:04:42+05:30
Hello !
Number of oscillations ( n) = 6
time taken to complete 6 oscillations =30 seconds.
time for one oscillation = 30 / 6 =  5 sec
frequency = 1 / time period 
f = 1 / 5 hertz                           Ans.
Thank you 1
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