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Question

Question: The condition for a uniform spherical mass m of radius r to be a black hole is [G = gravitational co...

The condition for a uniform spherical mass m of radius r to be a black hole is [G = gravitational constant, g = acceleration due to gravity].

A

[2GMr]1/2c\left[ \frac { 2 \mathrm { GM } } { \mathrm { r } } \right] ^ { 1 / 2 } \leq \mathrm { c }

B

C

[2GMr]1/2c\left[ \frac { 2 \mathrm { GM } } { \mathrm { r } } \right] ^ { 1 / 2 } \geq \mathrm { c }

D

Answer

[2GMr]1/2c\left[ \frac { 2 \mathrm { GM } } { \mathrm { r } } \right] ^ { 1 / 2 } \geq \mathrm { c }

Explanation

Solution

[2GMr]1/2c\left[ \frac { 2 \mathrm { GM } } { \mathrm { r } } \right] ^ { 1 / 2 } \geq \mathrm { c }