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MHT CET Physics question

PhysicsOscillationsMHT CET

A pendulum which gives correct time 2 s on the ground. It is moved to an altitude 640 m above the earth. If radius of the earth is 6400 km, how much time will the pendulum lose or gain in one day?

Answer: (C)

Solution

At height , ; decreases so increases and the clock

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Question ID VK-067884