Assertion: The time period of a pendulum of infinite length whose bob hangs near the surface of the earth will be infinite, and Reason: The time period of a pendulum of length L near the surface of the earth is , if L is reasonably small.

Question

Assertion: The time period of a pendulum of infinite length whose bob hangs near the surface of the earth will be infinite, and

Reason: The time period of a pendulum of length L near the surface of the earth is $2 π \sqrt{\frac{L}{g}}$ , if L is reasonably small.

Smart Achievers · Accepted Answer

(4)

Time period becomes $2 π \sqrt{\frac{R}{g}}$ in statement 1. We can't neglect roundness of earth for pendulum of infinite length.

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