(A): If radius of a sphere attached to a wire is doubled, elongation of the wire reduces to one forth of original value.(R): Elongation in a wire is directly proportional to area of cross section.

(A): If radius of a sphere attached to a wire is doubled, elongation o

1.	(A): If radius of a sphere attached to a wire is doubled, elongation of the wire reduces to one forth of original value.(R): Elongation in a wire is directly proportional to area of cross section.
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 :D