A simple harmonic oscillator starts from extreme position and covers a displacement half of its amplitude in a time 't', the further time taken by it to reach mean position is
A
2t
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B
t
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C
t/√2
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D
t/2
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Solution
The correct option is Dt/2 x=Acos(ωt) Taking t=0 at extreme position. x=A2 is reached in time t ωt=π3;ω=π3t x=0 is reached at ωt1=π2 t1=π2ω=π×3t2×π=3t2 t1−t=t2