Time period of a wave if 10 waves are produced in 4 s.
0.4 sec
0.2 sec
0.8 sec
1.0 sec
A
0.8 sec
B
0.4 sec
C
0.2 sec
D
1.0 sec
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Solution
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Time period is the time taken per wave.
Thus, for 10 waves the time period will be 4/10=0.4s
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