An object is vibrating at 50 hertz. What is its time period?
(a) 0.02 s (c) 0.2 s
(b) 2 s (d) 20.0 s
NCERT Class VIII
Science - Exemplar Problems
Chapter 13. Sound
Answers
Answered by
194
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
that is (a) 0.02 s
Hope it helps you..........plz mark it as the best
=> 50 = 1/T
T = 1/50
T = 0.02s
.Its time period will be 0.02 sec
that is (a) 0.02 s
Hope it helps you..........plz mark it as the best
Answered by
100
Frequency = 50 Hz
Frequency = 1/ time period of the wave
=> 50 = 1/T
T = 1/50
T = 0.02s
Therefore, the answer is: (a) 0.02s.
Frequency = 1/ time period of the wave
=> 50 = 1/T
T = 1/50
T = 0.02s
Therefore, the answer is: (a) 0.02s.
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