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CGP EDU Academic Team
Published on: September 12, 2026
To determine the Young's modulus of a wire, the formula is \(\gamma = \frac{F}{A} \times \frac{\Delta L}{L} ;\) where L = length, \overline{A} = area of cross-section of the wire, \Delta L = change in length of the wire when stretched with a force \Gamma . The conversion factor to change it from CGS to MKS system is
Text Solution
Verified by ExpertsThe correct answer is:
C
\(Y = \frac{F}{A} \cdot \frac{L}{\Delta L}\) = \(\frac{dyne}{cm^{2}} = \frac{10^{-5} \, N}{10^{-4} \, m^{2}} = 0.1 \, N/m^{2}\)
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