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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 rated at 10 kW is used to connect a 5 kV transmission line to a 240 V
- In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω,
- Under constant pressure, graph between P and 1/V is a
- If a spring of spring constant k stretched by a length x under tension T, the energy
- A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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