Calculating the transmission of “optically clear” microscope slides | Musings on Education

I blogged recently about turning your smartphone into a colorimeter to determine the concentration of an unknown sample using the excellent Physics Toolbox Suite from and that got me thinking about other uses for a smartphone to measure incident light.

There used to a physics practical that A-level (post 16) students carried out with microscope slides. Measure the light transmitted by a range of stacked slides, plot a graph and determine the number of slides in a “bundle” without counting them. All standard stuff – the problem with that practical was that…

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