.A ring of radius R having a uniformly distributed charge Q is fixed in a horizontal plane. A bead of mass m and an unknown charge stays in equilibrium at such point on the vertical axis of the ring that if it is displaced slightly up or down, it undergoes oscillatory motion. Find charge on the bead. Intensity of gravitational field is g. Bead R-

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.A ring of radius R having a uniformly distributed charge Q is fixed in a
horizontal plane. A bead of mass m and an unknown charge stays in
equilibrium at such point on the vertical axis of the ring that if it is
displaced slightly up or down, it undergoes oscillatory motion. Find
charge on the bead. Intensity of gravitational field is g.
Bead
R
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Transcribed Image Text:.A ring of radius R having a uniformly distributed charge Q is fixed in a horizontal plane. A bead of mass m and an unknown charge stays in equilibrium at such point on the vertical axis of the ring that if it is displaced slightly up or down, it undergoes oscillatory motion. Find charge on the bead. Intensity of gravitational field is g. Bead R Need typed answer not handwritten otherwise dislike be sure ur answer is correct because wrong answer gives u many dislikes
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