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Physics Chemistry

Entry Test MCQ :: Oscillations

  If length of second pendulum becomes four times, then its time period will become
[A]. four times[B]. six times
[C]. eight times[D]. two times

Answer: Option D

SHAH said:    
T= 2π√l/g l= 4l putting T = 2π√4l/g T= 2( 2π√l/g) T= 2(T) T=2T ANS

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