1.

(A): Collision between two fundamental particles is elastic (R) : Fundamental particles lose their shape in collision

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. is true

Answer :C


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