8.Mechanical Properties of Solids
medium

તાર માટે પ્રતિબળ વિરુધ્ધ વિકૃતિનો આલેખ આપેલ છે,તો તારનો યંગ મોડયુલસ $(N/m$${^2}$ મા $)$ કેટલો થાય?

A

$24 \times {10^{11}}$

B

$8.0 \times {10^{11}}$

C

$10 \times {10^{11}}$

D

$2.0 \times {10^{11}}$

Solution

(d)Young’s modulus is defined only in elastic region and

$Y = \frac{{{\rm{Stress}}}}{{{\rm{Strain}}}} = \,\frac{{8 \times {{10}^7}}}{{4 \times {{10}^{ – 4}}}} = 2 \times {10^{11}}\,\,N/{m^2}$

Standard 11
Physics

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