3. Assertion : Newton’s second law of motion gives the measurement of force. Reason : According to Newton’s second law of motion, force is directly proportional to the rate of change of momentum.

(a)        If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b)        If both assertion and reason are true but reason is not the correct explanation of the assertion.

(c)        If assertion is true but reason is false.

(d)        If the assertion and reason both are false.

(e)        If assertion is false but reason is true.

Ans. a

(28)