Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion When a ball collides elastically with a floor, it rebounds with the same velocity as with it strikes. Reason Momentum of earth + bait system remains constant.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 the Reason is not the correct explanation of the Assertion.
C) If Assertion is true but Reason is false.
D) If both Assertion and Reason are false.
Correct Answer: B
Solution :
Momentum of earth + ball system will remain constant were inelastic.
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