PhysicsEasy148×since 2002Q7959A 100 m long wire having cross-sectional area 6.25×10−4 m2\mathrm{6.25\times10^{-4}~m^2}6.25×10−4 m2 and Young's modulus is 1010 Nm−2\mathrm{10^{10}~Nm^{-2}}1010 Nm−2 is subjected to a load of 250 N, then the elongation in the wire will be :A6.25×10−6 m\mathrm{6.25\times10^{-6}~m}6.25×10−6 mB4×10−3 m\mathrm{4\times10^{-3}~m}4×10−3 mC4×10−4 m\mathrm{4\times10^{-4}~m}4×10−4 mD6.25×10−3 m\mathrm{6.25\times10^{-3}~m}6.25×10−3 mCheck answerSkip