Questions  

A pendulum of mass m and length L is connected to a spring as shown in figure. If the bob is displaced slightly from its mean position and released, it performs simple harmonic motion. The angular frequency of the oscillation of bob is 

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By Expert Faculty of Sri Chaitanya
a
gL
b
Kh2+mgLmL2
c
3gL
d
Kh2mL2
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detailed solution

Correct option is B

τres=−Iα  For small angular displacement  θmglsinθ+kyh=−Iα  sinθ=θ, tanθ=yh=θ

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Two springs of spring constants k1 and k2 are joined in series. The effective spring constant of the-combination is given by:

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