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The acceleration due to gravity at a height 1 km above the earth is the same as at a depth d below the surface of earth. Then, [NEET 2017]
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Correct option is D
Acceleration due to gravity at height h above earth's surface,gh=g1-2hR (∵h≪R)Acceleration due to g:t:avity at depth d below earth's surface,gd=g1-dRGiven, h = 1km and gd = ghor g1-dR=g1-2hR⇒ d=2h or d=2 kmTalk to our academic expert!
Similar Questions
Suppose a vertical tunnel is along the diameter of earth (here earth is assumed to be a sphere of uniform mass density ). If a body of mass m is thrown in this tunnel, its acceleration at a distance y from the centre is given by
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