A plot of instantaneous displacement against time by a student displayed a curve whose amplitudes at t=0, 3, 6, 9 and 12 secs are (0, 4, 8, 16 and 25 cms). The particle displays an SHM in
A
(0 to 6 secs)
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B
(3 to 9 secs)
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C
(6 to 12 secs)
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D
The motion is not an SHM
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Solution
The correct option is D The motion is not an SHM The data here shows the absence of a restoring force, since the particle's displacement is seen to be increasing with time Thus, the motion is not an SHM The correct answer is option (d)