(i) Show that the dimensions of pressure and energy density are identical. (ii)…
PHYSICS · Subjective · A Level · Physics · Measurements and their errors · Measurements and their errors
Problem
(i) Show that the dimensions of pressure and energy density are identical.
(ii) Explain why, in spite of having the same dimensions, pressure and energy density are treated as different physical quantities.
(iii) Mention one physical situation where it is useful to interpret pressure as energy per unit volume.