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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
- An electron moves on a straight line path XY as shown. The abcd is a coil adjacent
- There is a ring of radius r having linear charge densityλ and rotating with a uniform
- The focal lengths of a converging lens are fᵥ and fᵣ for violet and red lights
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
- A galvanometer having resistance of 50 Ω requires a current of 100μA to give full
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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