8.Mechanical Properties of Solids
easy

સ્ટીલ માટે યંગ મોડયુલસ $2 \times {10^{11}}\,N{m^{ - 2}}$ અને બ્રેકીંગ વિકૃતિ $0.15$ હોય,તો બ્રેકીંગ પ્રતિબળ કેટલું થાય ?

A

$1.33 \times {10^{11}}\,N{m^{ - 2}}$

B

$1.33 \times {10^{12}}\,N{m^{ - 2}}$

C

$7.5 \times {10^{ - 13}}\,N{m^{ - 2}}$

D

$3 \times {10^{10}}\,N{m^{ - 2}}$

Solution

(d) Breaking stress = strain $\times$ Young's modulus

$ = 0.15 \times 2{ \times ^{11}} = 3 \times {10^{10}}\;N{m^{ – 2}}$

Standard 11
Physics

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