GCSE level optics questions


The diagram shows a periscope being used to see over the heads of a crowd of people. The periscope has been made using two plane mirrors.


(a)     Using a ruler, complete the diagram to show how the second ray of light from a distant object reaches the person's eye.

(2 marks)

(b)     How big is the image produced by the periscope compared to the size of the object?

(1 mark)

(Total 3 marks)