Question

In MKS system, Stefan's constant is denoted by $\sigma$. In CGS system multiplying factor of $\sigma$ will be

• A. 1
• B. 10³
• C. 10⁵
• D. 10²

Answer 1

The correct option is B

10³

$InM.K.S.systemunitof\sigma is\frac{J}{m^2\times sec\times K^4}\Rightarrow 1\frac{J}{m^2\times sec\times K^4}=\frac{{10}^{7}erg}{{10}^{4}c{m}^2\times sec\times K^4}={10}^3\frac{erg}{c{m}^2\times sec\times K^4}$