question_answer

Find the dimensions of Planck's constant. If its value in cgs system is\[\text{6}\text{.62 x 1}{{0}^{-27}}\text{erg}-\text{sec}\], what will be its value on inks system?

Answer:

                \[h=\frac{E}{v}=\frac{\left[ ML{{T}^{-2}} \right]L}{\left[ {{T}^{-1}} \right]}=\left[ {{M}^{1}}{{L}^{2}}{{T}^{-1}} \right]\]                 \[h=6.62\times {{10}^{-27}}erg-\sec =6.62\times {{10}^{-27}}\times {{10}^{-7}}joule-\sec =6.62\times {{10}^{-34}}Js\]