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 α.The thread is displaced through a small angle β away from the vertical and the ball is released. Find the period of oscillation of pendulum. Consider both cases a. `alpha gt beta` b. `alpha lt beta`Assuming that any impact between the wall and the ball is elastic.A. `2sqrt((t)/(g))[sin^(-1)((alpha)/(beta))]`B. `2sqrt((l)/(g))[(pi)/(2)+sin^(-1)(alpha/(beta))]`C. `2sqrt((l)/(g))[cos^(-1)(alpha/(beta))]`D. `2sqrt((l)/(g))[cos^(-1)(-alpha/(beta))]`

A ball is suspended by a thread of length l at the point O on an incli

1.	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 α.The thread is displaced through a small angle β away from the vertical and the ball is released. Find the period of oscillation of pendulum. Consider both cases a. `alpha gt beta` b. `alpha lt beta`Assuming that any impact between the wall and the ball is elastic.A. `2sqrt((t)/(g))[sin^(-1)((alpha)/(beta))]`B. `2sqrt((l)/(g))[(pi)/(2)+sin^(-1)(alpha/(beta))]`C. `2sqrt((l)/(g))[cos^(-1)(alpha/(beta))]`D. `2sqrt((l)/(g))[cos^(-1)(-alpha/(beta))]`
Answer» Correct Answer - B::D

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