Entry Test MCQ :: Oscillations

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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