. An object is vibrating at 50 hertz. What is its time period
(a) 0.02 s
(b) 2 s
(c) 0.2 s
(d) 20.0 s
Best Answer
Answer: is (a) 0.02 s
If an object is vibrating at 50 hertz
50 = 1/T
T = 1/50
T = 0.02s
Its time period will be 0.02 sec
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