A metallic wire of diameter 0.3 mm and l...

A metallic wire of diameter 0.3 mm and length 3m is stretched by hanging a weight of 2 kg . If the elongation produced is 2 mm

Young modulus is `4.16 xx 10^(11) N//m^2`

Young modulus is `2.08 xx 10^(11) N//m^2`

strain potential energy is `19.6 xx 10^(-3) J`

strain potential energy is `9.8 xx 10^(-3) J`

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A, C

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