GravitationHard
Question
Mark the correct statement/s : -
Options
A.Gravitational potential at curvature centre of a thin hemispherical shell of radius R and mass M is equal to 
B.Gravitational field strength at point lying on the axis of a thin, uniform circular ring of radius R and mass M is equal to 
where x is distance of that point from centre of the ring
where x is distance of that point from centre of the ring C.Newton′s law of gravitation for gravitational force between two bodies is applicable only when bodies have spherically symmetric distribution of mass
D.None of these
Solution
Gravitational potential V = - 
(B) Gravitational field at the point x from the centre of the coil is
(B) Gravitational field at the point x from the centre of the coil is
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