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If all objects on the equator of earth feel weightless then the duration of the day will nearly become

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Important Questions on Gravitation

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Gamma Question Bank for Medical Physics>Chapter 8 - Gravitation>Assignment>Q 7
A satellite of mass m is revolving close to surface of a planet of density d with time period T. The value of universal gravitational constant on planet is given by
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Gamma Question Bank for Medical Physics>Chapter 8 - Gravitation>Assignment>Q 8
If gravitational field intensity is E at distance R2 outside from then surface of a thin shell of radius R, the gravitational field intensity at distance R2 from its centre is
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Gamma Question Bank for Medical Physics>Chapter 8 - Gravitation>Assignment>Q 9
If acceleration due to gravity at distance d[<R] from the centre of earth is $\beta$, then its value at distance d above the surface of earth will be [where R is radius of earth]
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Gamma Question Bank for Medical Physics>Chapter 8 - Gravitation>Assignment>Q 10
Gravitational potential in a region is given by V=-(x+y+z)J kg-1. Find the gravitational intensity at (2, 2, 2)m.
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Gamma Question Bank for Medical Physics>Chapter 8 - Gravitation>Assignment>Q 11
A body weighs 72 N on surface of the earth. When it is taken to a height of h=2R, where R is radius of earth, it would weigh
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Gamma Question Bank for Medical Physics>Chapter 8 - Gravitation>Assignment>Q 12
If earth suddenly stop rotating, then the weight of an object of mass m at equator will [ω is angular speed of earth and R is its radius]
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Gamma Question Bank for Medical Physics>Chapter 8 - Gravitation>Assignment>Q 13
During motion of a man from equator to pole of earth, its weight will (neglect the effect of change in the radius of earth)
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Gamma Question Bank for Medical Physics>Chapter 8 - Gravitation>Assignment>Q 14
As we go from the equator to the poles, the value of g _____.