A hollow metal sphere is filled with water and a small hole is made at its bottom .It is hanging by a long thread and is made to oscillate .How will the time Period change if water is allowed to flow through the hole till the sphere is empty?
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The time period will be same when the sphere is empty.
Explanation:
- First time period will increase till the time water is present in sphere.
- When it completely get empty time period will become original T.
- When it was completely filled with water.
As we know that:
l1 < l2' > l3
l1 = l3
- When water is coming out then the length of pendulum will increase.
- Therefore time period will also increase.
- When it is completely filled, time period will again be same.
Thus the time period will be same when the sphere is empty.
Also learn more
A pendulum is 25 cm has time period 1.2 cm. Find the time period of another pendulum whose length is 36 cm. ?
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