GCSE level optics questions
Q16. The diagram shows how a concave lens forms an image of an object.
(a) Which letter on the diagram marks the position of the principal focus of the lens?
(b) Give two words to describe the image.
(c) Calculate the magnification produced by the lens.
(d) What happens to the size of the image as the object is moved further away from the lens?
(Total 8 marks)