Revision: Lenses Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 04 Lenses - Revision Quiz Test your understanding of Lenses here: 1 / 5 1) The diagram below shows a convex lens L with its principal foci at F. If an object at position X is moved further away from the lens to position Y, the image gets bigger and moves closer to the lens. gets bigger and moves further from the lens. gets smaller and moves further from the lens. gets smaller and moves closer to the lens. 2 / 5 2) Which of the following does not affect the focal length of a convex lens? object distance material of the lens thickness of the lens refractive index of the material making the lens 3 / 5 3) Three parallel rays of light X, Y and Z pass through a thin converging lens L. F is the principal focus of the lens. Which of the ray(s) after passing through the lens is/are not correctly drawn? X and Y only X and Z only X only Y and Z only 4 / 5 4) In the following diagram, F and F ' are the foci of the lens and an arrow is located around 2F '. 5 / 5 5) The following diagram shows an object O, placed next to a lens as shown below: At which position is the image likely to be found? B D A C Your score is Restart quiz