Question
Physics Question on Gravitation
A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To what approximate radius would earth (mass = 5.98 x 1024 kg) have to be compressed to be a black hole?
A
10-6 m
B
10-2 m
C
100 m
D
10-9 m
Answer
10-2 m
Explanation
Solution
The correct option (B): 10-2 m