NEET2017Physics-Gravitation
NEET 2017 Physics Variation of g MCQ Question
Type: MCQ-numerical-Medium-Class 11
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:
A
d = 1/2 km
B
d = 1 km
C
d = 3/2 km
D
d = 2 km
Correct Answer
Option D
Detailed Explanation
The acceleration due to gravity decreases with height and depth. Using the formula for variation of g with height and depth, we find that d = 1/2 km.
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