A) \[\frac{3}{2}s\]
B) \[\frac{1}{2}s\]
C) \[\frac{3}{4}s\]
D) \[\frac{1}{4}s\]
Correct Answer: B
Solution :
Equation for simple harmonic motion \[y=a\sin \left( \frac{2\pi }{T} \right)t\] \[\frac{a}{2}=a\sin \left( \frac{2\pi }{T} \right)t\] \[\Rightarrow \] \[\frac{2\pi }{T}t=\frac{\pi }{6}\] \[\left( \because y=\frac{a}{2} \right)\] \[t=\frac{T}{12}=\frac{6}{12}=\frac{1}{2}s\]You need to login to perform this action.
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