1.

(A): A steel wire of natural length 'l' breaks, when elongated by length 'x'. If original length is halved and elongated by x/2 it breaks. (R): Breaking force is directly proportional to the length of the wire

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
Both (A) and (R) are false

Answer :C


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