Questions
A rod pivoted at one of its end undergoes simple harmonic motion when given a small oscillation. If the pivot is changed such that its moment of inertia decreases to half of its original value, then its new time period is
detailed solution
Correct option is D
For angular oscillation ω=cIHence T=2πIc …………(1)Since time period is directly proportional to root of moment of inertia, the new time period is T'=2πI2c…………(2)Using equation (1) and (2), it can be concluded that new time period is T'=T2Talk to our academic expert!
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A ball of radius 'a' is made to oscillate in a bowl of radius 'b' then time period of vibration of the ball is
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