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QNEET-2017-Ph-972: NEET 2017 Physics - Class 11 NEET-2017-Ph-972 Solution: The acceleration due to gravity at a height 1 km above the…

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 d = 1 km d = 3/2 km d = 2 km d = 1/2 km

Multiple Choice Options

A d = 1 km
B d = ${3 \over 2}$ 2 3 _ km
C d = 2 km
D d = ${1 \over 2}$ 2 1 _ km

Step-by-Step Verified Solution

Above earth surface g h = g ( 1 _ 2 h R e ) Below earth surface g d = g ( 1 _ d R e ) According to question, g h = g d g ( 1 _ 2 h R e ) = g ( 1 _ d R e ) Clearly, d = 2h = 2 km

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