Which one of the following is not a unit of y | vedclass

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Question

Young's modulus $\quad Y =\frac{	ext { Stress }}{	ext { Strain }}$

As we know, strain is a dimensionless quantity whereas stress is defined a

Vedclass · Accepted Answer

$N{m^{ - 1}}$

Vedclass · Answer

Young's modulus $\quad Y =\frac{	ext { Stress }}{	ext { Strain }}$

As we know, strain is a dimensionless quantity whereas stress is defined as force per unit area.

Stress has units as $Nm ^{-2}$ (SI unit), Dyne $cm ^{-2}$ (cgs unit) or Pascal $( P a)$.

As Young's modulus has same unit as that of stress, thus $Nm ^{-1}$ is not a unit of Young's modulus.

Which one of the following is not a unit of young's modulus

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