Questions
Identify correct statement among the following
a
The greater the mass of a pendulum bob, the shorter is its frequency of oscillation
b
A simple pendulum with a bob of mass M swings with an angular amplitude of 40o. When its angular amplitude is 20o, the tension in the string is less than Mgcos20o.
c
As the length of a simple pendulum is increased, the maximum velocity of its bob during its oscillation will also decreases
d
The fractional change in the time period of a pendulum on changing the temperature is independent of the length of the pendulum
detailed solution
Correct option is C
Tcosθ=mg T=mgcos20>mgcos20°timeperiod T=2πlg If l increases T increases ω=2πT decreases, velocity v=rωdecreasesTalk to our academic expert!
Similar Questions
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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