Galileo s pendulum theory stated that the time taken to swing through one complete cycle of a pendulum depends on what?

Length of the string that is tied to the pendulum

Explanation:

Galileo Galilei was the first scientist to contribute the pendulum theory, and according to this theory, the pendulum moves back and forth in a continuous process, under the influence of gravity and thereby attains the momentum. This pendulum is hanged at one end with a string, and is allowed to move back and forth by applying a little force.

The time taken by the pendulum in order to complete one cycle is directly dependent on the length of the string.

i believe the correct answer is d

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