Question

Select One Option Correct from the following : The adjacent graph shows the extension ($\Delta l$) of a wire of length 1 m suspended from the top of a roof at one end and with a load W connected to the other end. If the cross-sectional area of the wire is $10^{-6} m^{2}$, calculate, from the graph, the Young’s modulus of the material of the wire.
(A)$2 \times10^{11} N/m^{2}$
(B)$2 \times10^{-11} N/m^{2}$
(C)$3 \times10^{12} N/m^{2}$
(D)$2 \times10^{13} N/m^{2}$

Answer 1

c option is correct.
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Answer 2

Select One Option Correct from the following : The adjacent graph shows the extension ($\Delta l$) of a wire of length 1 m suspended from the top of a roof at one end and with a load W connected to the other end. If the cross-sectional area of the wire is $10^{-6} m^{2}$, calculate, from the graph, the Young’s modulus of the material of the wire.

(A)$2 \times10^{11} N/m^{2}$

(B)$2 \times10^{-11} N/m^{2}$

✔️(C)$3 \times10^{12} N/m^{2}$

(D)$2 \times10^{13} N/m^{2}$