The youngs modulus of a material of wire is 12.6*10^11dyne /cm^2

Question

its value in mks is?

Answer 1

Given:

Youngs modulus, Y  = 12.6×10¹¹ dyne/cm ²

Convert the Youngs modulus units from CGS to MKS

1 Newton = 10 ⁵ dynes

1 dyne =10 ^-5 N

1 cm = 10 ^-2 m

Y  = (12.6×10¹¹)(10 ^-5 / 10 ^-2)  N/m ²

     =12.6×10⁸  N/m ²

Therfore, the Youngs modulus in MKS units is 12.6×10⁸  N/m ²