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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A ball is suspended by a thread of length l at the point O on an incline wall as shown. The inclination of the wall with the vertical is alpha. The thread is displaced through a small angle beta away from the vertical and the ball is released.

A ball is suspended by a thread of length l at the point O on an incline wall as shown. The inclination of the wall with the vertical is alpha. The thread is displaced through a small angle beta away from the vertical and the ball is released.

(b) the linear amplitude of the bob (c) the speed of the bob when the string makes 0.02 rad with the vertical and A simple pendulum of length 40 cm oscillates with an angular amplitude of 0.04 rad. Find (a) the time period