Problem of the 8th Experimental Physics Olympiad, Skopje, 8 May 2021 Determination of Planck constant by LED

T. M. Mishonov, A. P. Petkov, M. Andreoni +5

This is the problem of the 8${}^{\mathrm{th}}$ International Experimental Physics Olympiad (EPO). The task of the EPO8 is to determine Plank constant $\hslash =h/2\pi$ using the given set-u…