NDA 2018 Physics question

If T is the time period of an oscillating pendulum, which one of the following statements is NOT correct ?

(A)The motion repeats after time T only onceCorrect
(B)T is the least time after which motion repeats itself
(C)The motion repeats itself after nT, where n is a positive integer
(D)T remains the same only for small angular displacements

Answer: (A)

Solution

A periodic motion repeats itself again and again after every interval T, not just once, so statement (a) is not correct. The other statements are true: T is the

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Question ID VK-030993