Questions
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]
a
(2Gm/r)1/2≤c
b
(2Gm/r)1/2=c
c
(2Gm/r)1/2≥c
d
(gm/r)1/2≥c
detailed solution
Correct option is C
Escape velocity for that body ve=2Gmr ve should be more than or equal to speed of lighti.e. 2Gmr≥cTalk to our academic expert!
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