Physics - Error Question with Solution | TestHub
PhysicsErrorMiscellaneousEasy2 minPYQ_2020
PhysicsEasysingle choice
The bob of a simple pendulum is a spherical hollow ball filled with water. A plugged hole near the bottom of the oscillating bob gets suddenly unplugged. During observation, till water is coming out, the time period of oscillation would
Options:
Answer:
A
Solution:
and
Hence, time period first increases and then decreases to the original value.
The given system is like a simple pendulum, whose effective length between the point of suspension and the center of gravity of the hanging body is changing.
When water slowly flows out, the sphere, the C.G. of system is lowered & hence L increase
Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:ErrorSubtopic:Miscellaneous
⏱ 2mℹ️ Source: PYQ_2020
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