1.

(A) : In elastic collision, kinetic energy is conserved.(R ) : Energy is always 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 but (R ) is FALSE
(A) is false and (R ) is false

ANSWER :B


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