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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
- Sodium and copper have work function 2.3 eV and 4.5 eV respectively
- A sample of HCl gas is placed in an electric field of 5 x 10⁴ N/C
- A student performs an experiment to determine the Young’s modulus of a wire
- From a disc of radius R, a concentric circular portion of radius r is cut-out so
- The current in the windings of a toroid is 2.0 A. There are 400 turns
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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