1.

(A): When a shell at rest explodes, the centre of mass fragments Continues at rest (R) : In explosion the linear momentum of the system does not remains conserved.

Answer»

Both .A. and .R. are true and .R. is the CORRECT EXPLANATION of .A.
Both .A. and .R. are true and .R. is not the correct explanation of .A.
A. is true and .R. is FALSE
.A. is false and .R. are true

Answer :C


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