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Question

Physics Question on Gravitation

Given below are two statements: one is labelled as Assertion AA and the other is labelled as Reason R
Assertion A : A pendulum clock when taken to Mount Everest becomes fast
Reason R : The value of gg (acceleration due to gravity) is less at Mount Everest than its value on the surface of earth
In the light of the above statements, choose the most appropriate answer from the options given below

A

Both A and R are correct but R is NOT the correct explanation of A

B

Both A and R are correct and R is the correct explanation of A

C

A is not correct but R is correct

D

A is correct but R is not correct

Answer

A is not correct but R is correct

Explanation

Solution

T∝1g\frac {1}{\sqrt g}
Time period of pendulum is inversely proportional to acceleration due to gravity.
So, the correct answer is (C): A is not correct but R is correct