AIIMS2009Physics-Oscillations
AIIMS 2009 Physics Pendulum Motion MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A ball is suspended by a thread of length L at the point O on a wall which is inclined to the vertical by α. The thread with the ball is displaced by a small angle β away from the vertical and also away from the wall. If the ball is released, the period of oscillation of the pendulum when β > α will be
A
[L/√g (π + 2sin⁻¹ α/β)]
B
[L/√g (π - 2sin⁻¹ β/α)]
C
[L/√g (2sin⁻¹ β/α + π)]
D
[L/√g (2sin⁻¹ α/β + π)]
Correct Answer
Option A
Detailed Explanation
θ = θ_0 sin ωt, ω = √(g/L)
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