1.

A weight of 200 kg is suspended by vertical wire of length 600.5 cm. The area of cross-section of wire is \[1\,m{{m}^{2}}\]. When the load is removed, the wire contracts by 0.5 cm. The Young's modulus of the material of wire will be

A. \[2.35\times {{10}^{12}}\,N/{{m}^{2}}\]
B. \[1.35\times {{10}^{10}}\,N/{{m}^{2}}\]
C. \[13.5\times {{10}^{11}}\,N/{{m}^{2}}\]
D. \[23.5\times {{10}^{9}}\,N/{{m}^{2}}\]
Answer» B. \[1.35\times {{10}^{10}}\,N/{{m}^{2}}\]


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