This article was originally published with the title “A Workshop Method of Determining the Refractive Index of a Block of Glass, of which only one Face is Polished” in SA Supplements Vol. 84 ...

There are different ways to investigate refraction in rectangular blocks. In this required practical activity, it is important to: make, measure and record the angles of incidence accurately using ...

There are different ways to investigate refraction in rectangular blocks. In this required practical activity, it is important to: make, measure and record the angles of incidence accurately using ...