Question 319: Units , Dimensions and Error Analysis

Question

Plank' constant has dimension __________.

Accepted Answer

We know E = hv
So $$h = {E \over v} = {{\left[ {M{L^2}{T^{ - 2}}} \right]} \over {\left[ {{T^{ - 1}}} \right]}} = \left[ {M{L^2}{T^{ - 1}}} \right]$$

Units , Dimensions and Error Analysis