Question

# At a given place where , acceleration due to gravity is of g m/s2, a sphere of lead o density dkg/m3 is gently released in column of liquid of density ρ kg/m3. If d>ρ the sphere will

A
fall vertically with an acceleration of g
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B
fall vertically with no acceleration
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C
fall vertically with an acceleration g(dpd)
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D
fall vertically with an acceleration gpd
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Solution

## The correct option is A fall vertically with an acceleration g(d−pd)When a sphere of mass m is released in a liquid , it falls vertically down with acceleration mg−FBm=43πr3dg−43πr3pg43πr3d=(d−p)gd

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