Assertion :The total momentum of an isolated system of particles is conserved. Reason: The law of conservation of momentum follows from the second and third law of motion.

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 momentum of an isolated system of particles is conserved. The forces are internal in nature and sums up to zero for entire system. As the external force is zero on system it's momentum remains conserved.

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