Two simple pendulums of equal length cross each other at mean position. What is their phase difference ?
$180^{\circ}$ or $\pi \mathrm{rad}$
In a seconds pendulum, mass of bob is $30\, g$. If it is replaced by $90\, g$ mass. Then its time period will be … $\sec$
A pendulum suspended from the ceiling of a train oscillates with a time period $2$ $second$ , when the train is accelerating at $10\,ms^{-2}$. What will be its time period when the train retards at $10\,ms^{-2}$ ? …. $s$
A uniform rod of length $2.0 \,m$ is suspended through an end and is set into oscillation with small amplitude under gravity. The time period of oscillation is approximately …. $\sec$
Match $List – I$ with $List – II$
Choose the correct answer from the options given below
The time period of a simple pendulum when it is made to oscillate on the surface of moon
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