Question

A plastic sun visor allows light to pass through, but reduces the
intensity of the light. The intensity is reduced by 5% if the plastic is
1 mm thick. Each additional millimetre of thickness reduces the
intensity by another 5%.
a) Use an equation to model the relation between the thickness
of the plastic and the intensity of the light.

Answer 1

Welcome to qc.


So we need to start out knowing the equation. So what do you think the equation could be?