GravitationHard
Question
From a solid sphere of mass M and radius R, a spherical portion of radius R/2 is removed, as shown in the figure. Taking gravitational potential V = 0 at r = ∞, the potential at the centre of the cavity thus formed is :
(G = gravitational constant)

(G = gravitational constant)

Options
A.
B.
C.
D.
More Gravitation Questions
The height at which the acceleration due to gravity becomes (where g = the acceleration due to gravity on the surface of...The radius of earth is about 6400 km and that of mass is about 3200km. The mass of the earth is about 10 times of the ma...If the earth were to cease rotating about its own axis. The increase in the value of g in C.G.S. system at a place of la...Two spherical planets P and Q have the same uniform density ρ, masses MP and MQ and surface areas A and 4A respecti...The magnitudes of gravitational field at distance r1 and r2 from the centre of a uniform sphere of radius R and mass M a...