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Simple Pendulum

A simple pend...

Question

A simple pendulum is vibrating in an evacuated chamber. It will oscillate with

a) constant amplitude b) decreasing amplitude c) increasing amplitude

d) none of these

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Solution

Since, the pendulum is kept in an evacuated chamber there will be no air friction. So, there will be no loss of energy due to air friction. So, the pendulum will oscillate with a constant amplitude.

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