Assertion: A heavy nucleus decays according to radioactive laws. The centre of mass, moves along....

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Assertion: A heavy nucleus decays according to radioactive laws. The centre of mass, moves along the
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same path along which the original decaying nucleus was moving.
Reason: The total lanear momentum of the system is same before and after decay.
(1) Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).
(2) Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).
(3) Assertion (A) is true and Reason (R) is false.
(4) Assertion (A) and Reason (R) both are false.


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