SHM 1

Once, on free day your scientific mind, thought to perform a experiment.

You took a hollow sperical plastic ball and tied a string to it, making it a simple pendulum.Coincidencely, you were drinking PEPSI at that time.Then, you had an idea, you made a hole on the lower side of the ball and filled PEPSI in it and then sealed the hole.Then you oscillated the pendulum and noted its time period. Then, you removed the tape and emptied half of PEPSI.Then you again sealed it and measured its time period again.

What would be the change in the time period?

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