Assertion :If a pendulum clock is taken to a mountain top, it gains time.
Reason:Value of acceleration due to gravity is less at heights.

Both Assertion and Reason are correct and Reason is correct explanation of Assertion.

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Both Assertion and Reason are correct but Reason is not correct explanation of Assertion.

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Assertion is correct but Reason is incorrect.

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Assertion is incorrect but Reason is correct.

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Solution

The correct option is C Assertion is incorrect but Reason is correct.
As one goes to mountain top acceleration due to gravity decrease and time period in creases.
Thus there is loss time.

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Assertion :If a pendulum clock is taken to a mountain top, it gains time.Reason:Value of acceleration due to gravity is less at heights.

The correct option is C Assertion is incorrect but Reason is correct.As one goes to mountain top acceleration due to gravity decrease and time period in creases.Thus there is loss time.

Assertion :If a pendulum clock is taken to a mountain top, it gains time.
Reason:Value of acceleration due to gravity is less at heights.

The correct option is C Assertion is incorrect but Reason is correct.
As one goes to mountain top acceleration due to gravity decrease and time period in creases.
Thus there is loss time.