Question

what is plank constant dimention​

Answer 1

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The Planck's constant (h) can be defined as a proportionality constant that relates the energy (E) of a photon to the frequency (ν) of its associated electromagnetic wave. ... Dimensional Formula of Planck's constant = M1L2T-1. SI unit of Planck's constant is joule-seconds (j-s).

Answer 2

dimension of plank constant,h =[ML^2T^-1]