Questions
A simple pendulum oscillating in air has period T. The bob of the pendulum is completely immersed in a non-viscous liquid. The density of the liquid is of the material of the bob. If the bob is inside liquid all the time, its period of oscillation in this liquid is
detailed solution
Correct option is B
time period of a simple pendulum is T=2πlg ⇒Tα1g, here 2π,l are constants Tg=T1g1----(1) variation in acceleration due to gravity inside liquid is g1= g1−dliquiddbody g1= g1−1016=g616∴ Tg=T1g616 T=T164time period inside liquid is∴ T1=4T6sTalk to our academic expert!
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A simple pendulum has time period T1. The point of suspension is now moved upward according to equation where . If new time period is T2 then ratio will be
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