GravitationHard
Question
The condition for a uniform spherical mass m of radius r to be a black hole is :-
(G = gravitational constant and g = acceleration due to gravity)
(G = gravitational constant and g = acceleration due to gravity)
Options
A.(2Gm / r)1/2 ≤ c
B.(2gm / r)1/2 < c
C.(2Gm / r)1/2 ≥ c
D.(gm / r)1/2 ≥ c
More Gravitation Questions
A body attains a height equal to the radius of the Earth when projected from Earth′ surface. The velocity of the b...Select the correct alternative : -...A planet is revolving around the sun is an elliptical orbit as shown in figure. Select correct alternative(s)...A man of mass m starts falling towards a planet of mass M and radius R. As he reaches near to the surface, he realizes t...A particle of mass M is at a distance a from surface of a thin spherical shell of equal mass and having radius a...