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The weight of a body on surface of earth is 12.6 N. When it is raised to a height half the radius of earth its weight will be
Options
(a) 2.8 N
(b) 5.6 N
(c) 12.6 N
(d) 25.2 N
Correct Answer:
5.6 N
Explanation:
Weight of body on the surface of earth, mg=12.6 N
At height h, the value of g’ is given by
g’=g (R/R+(R/2))²
=g 4/9
Weight at height, h=mg 4/9
h=12.6×4/9 =5.6 N
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas
- If A.B=A x B,then the angle between A and B is
- Two spherical nuclei have mass numbers 216 and 64 with their radii R₁ and R₂,
- If force(F),length(L) and time(T) be considered fundamental units, then the units of mass
- Two lenses of power 15 D and -3 D are placed in contact.
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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