Assertion :Acceleration and displacement are in the opposite direction during retardation. Reason: Acceleration is given as the change in velocity per unit time.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
The assertion statement is true that the acceleration and displacement are in opposite directions during retardation. Also, the reason statement is true that acceleration is defined as the rate of change of velocity but it does not explain the assertion very well.
While retarding, the speed of the body decreases which makes the acceleration negative and the body continues to move forward. So, acceleration and displacement are in the opposite directions while retarding.
So option B is correct.

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