SPM Science 2019, Paper 2 (Question 9)
Question 9:Diagram 8.1 shows an experiment to study the effects of coloured filter on white light.Diagram 8.1(a) Based on Diagram 8.1,(i) what is the coloured light seen on the white screen? [1 mark](ii) if the blue filter is replaced by a yellow filter, what is the coloured light seen on the white screen? [1 mark](b) … Read more