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How the time period of a pendulum is affected in the following cases? If time period is not affected, write " no change".

(a) Mass of the bob is doubled.

(b) Amplitude of the swing is doubled.

(c) Acceleration due to gravity increases.

(d) The length of the pendulum is halved.

(e) Pendulum is set up deep in a mine.

(f) Pendulum is set up at a height of 10 km. above the sea level.

Asked by Topperlearning User 15th July 2016, 5:00 PM
Answered by Expert

(a) No change.

(b) No change.

(c) The time period decreases with the increase in acceleration due to gravity.

(d) The time period decreases with the decrease in length.

(e) The time period decreases, because deep inside the mine acceleration due to gravity increases.

(f) The time period increases, because 10 km up, the acceleration due to gravity decreases.

Answered by Expert 15th July 2016, 7:00 PM
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