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Young modulus of steel is $1.9 \times 10^{11} N / m^{2} .$ When expressed in CGS units of $d y n e / c m^{2},$ it will be equal to $(1 N = 10^{5} d y n e, 1 m^{2} = 10^{4} c m^{2})$

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Correct option is C

Young modulus Y=1.9×1011 N/m2∵ 1N=105 dyne, 1 m2=104 cm2So in CGS Y=1.9×1011×105104dyne/cm2Y=1.9×1012 dyne/cm2

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Young modulus of steel is 1.9×1011 N/m2. When expressed in CGS units of dyne/cm2, it will be equal to (1N=105 dyne, 1 m2=104 cm2)

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Ready to Test Your Skills?

free study material

Young modulus of steel is $1.9 \times 10^{11} N / m^{2} .$ When expressed in CGS units of $d y n e / c m^{2},$ it will be equal to $(1 N = 10^{5} d y n e, 1 m^{2} = 10^{4} c m^{2})$