17. Assertion (A): Value of acceleration due to gravity is minimum on the surface of Earth. Reason (R): The value of acceleration due to gravity decreases with both altitude and depth.

#Earth #Physics - Class 11

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17. Assertion (A): Value of acceleration due to gravity is minimum on the surface of Earth. Reason (R): The value of acceleration due to gravity decreases with both altitude and depth.

mindfreedomof 24th Mar, 2021

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Answer (1)

Vibhanshu 24th Mar, 2021

(B) Both A and R are true but R is not correct explanation of A

Acceleration decreases according to formula g′=g(1−R2h), where h is either height or depth and R is radius of earth. So, Acceleration due to gravity decreases as height or depth increases.

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