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The depth at which the effective value of acceleration due to gravity is g/4 is (R=Radius of earth)
Options
(a) R
(b) 3R/4
(c) R/2
(d) R/4
Correct Answer:
3R/4
Explanation:
The effect of depth of acceleration due to gravity is g’=g(1-d/R)
Given, g’=g/4
g/4=g(1-d/R)
(g/4)/g=(1-d/R)
1/4=1-d/R ⇒d/R=1-1/4 ⇒3/4
d=3R/4
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the focal length of a concave mirror is 50 cm, then where should the object
- In Young’s double slit experiment, the fringe width is 1×10⁻⁴ m, if the distance
- If a small sphere is let fall vertically in a large quantity of still liquid of density
- A body is hangfing from a rigid support by an inextensible string of length
- Four identical cells of emf Ԑ and internal resistance r are to be connected in series.
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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