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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= 5.98×10²⁴ kg) have to be compressed to be a black hole?
Options
(a) 10⁻⁹ m
(b) 10⁻⁶ m
(c) 10⁻² m
(d) 100 m
Correct Answer:
10⁻² m
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A transformer of 100% efficiency has 200 turns in the primary coil and 40000 turns
- A spring balance is attched to the ceiling of lift.A man hangs his bag on the string
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
- The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
- In producing chlorine through electrolysis 100 watt power at 1125 V is being
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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