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Questions  

 A simple harmonic oscillator has an amplitude a and time period T. The time required to travel from x=a to x=a/2 is 

a
T/6
b
T / 4
c
T/3
d
T/2

detailed solution

Correct option is A

x=asin⁡ωt=asin⁡2πTt  Now a2=asin⁡2πTt  or  sin⁡2πTt=12 or  sim 2πTt=sin⁡π6  or  t=T/12  For x=a  we have t=T/4  So, the time taken to travel from x=a to x=a/2 =T/4−T/12=T/6

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