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]
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
${(2Gm/r)^{1/2}} \le c$
- B
${(2Gm/r)^{1/2}} = c$
- C
${(2Gm/r)^{1/2}} \ge c$
- D
${(gm/r)^{1/2}} \ge c$
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