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Physics
Figure shows the strain-stress curve for a given material. The Young’s modulus for the material is
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Q. Figure shows the strain-stress curve for a given material. The Young’s modulus for the material is
Mechanical Properties of Solids
A
$5 \times 10^{9} Nm ^{-2}$
10%
B
$5 \times 10^{10} Nm ^{-2}$
16%
C
$7.5 \times 10^{9} Nm ^{-2}$
20%
D
$7.5 \times 10^{10} Nm ^{-2}$
54%
Solution:
For a stress of $150 \times 10^{6} Nm ^{-2},$ the strain is 0.002
Hence $Y=\frac{150 \times 10^{6} Nm ^{-2}}{0.002}$
$=7.5 \times 10^{10} Nm ^{-2}$