UPSC NDA I 2019 General Ability Solved Paper

Question : 56 of 150

Marks: +1, -0

‘Black hole’ is a

[NDA I 2019]

huge black star which has zero acceleration due to gravity on its surface
star which has moderate acceleration due to gravity on its surface
star which has collapsed into itself and has large acceleration due to gravity on its surface
star which has collapsed into itself and has zero acceleration due to gravity on its surface

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