JEE Main 2024 Physics question

PhysicsOscillationsJEE Main 2024

A simple pendulum doing small oscillations at a place R height above earth surface has time period of = 4s. would be it's time period if it is brought to a point which is at a height 2R from earth surface. Choose the correct relation [R = radius of Earth]:

Answer: (C)

Solution

For a pendulum at height h, ; the distances from the centre are 2R and 3R, so .

Question ID VK-011502