Young’s modulus of steel is 19×10^10 N/m^2. Express it in dyne/cm^2.

Q: Young’s modulus of steel is 19 × 1010 N/m2. Express it in dyne/cm2.

Sol. The SI unit of Young’s modulus is N/m2

Given Y = 19 × 1010 N/m2

$\large = 19 \times 10^{10}(\frac{10^5 dyne}{(10^2 cm)^2})$

= 19×1011 dyne/cm2