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Question
A 'black hole' is a body in space which does not allow any radiation to come out. This property is due to its
Options:
A .  very small size
B .  very large size
C .  very high density
D .  very low density
Answer: Option C
:
C
Ans. (c)
Explanation
Because of its high density, a black hole has very high gravitational force. So no object, whether it is particle or light, can escape from it.

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