Which of the following regarding oscillatory motion is true?
A
Motion of the earth is periodic but not oscillatory because it is not to and fro.
B
Quivering of the string of the musical instrument is an example of oscillatory motion
C
Motion of the earth is periodic and oscillatory motion because it is not to and fro.
D
None of the above
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Updated on : 2022-09-05
Solution
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Correct option is A)
Oscillator motion is to and fro motion about a mean position. Earth motion is not a to and fro motion here, hence it is not an oscillatory motion. But as earth motion is repeated in a regular interval of time, its motion is periodic.