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) 2017 S4 EOY P1 Q13 A converging lens has a focal length of 20.0 cm. If an object is placed at 10.0 cm away from the optical centre of the lens, what are the characteristics of the image formed? real, upright and magnified virtual, upright and diminished real, inverted and diminished virtual, upright and magnified 2 / 5 2) 2023 S3 EOY P1 Q09 Which of the following does not affect the focal length of a convex lens? (i) Refractive index of the lens material (ii) Object distance (iii) Thickness of the lens (ii) and (iii) only (iii) only (i) and (ii) only (ii) only 3 / 5 3) The diagram shows a lens forming a blurred image of an object on a screen. How can a sharp image be obtained on the screen? By moving the screen towards the lens and object. By using a lens of longer focal length. By using a lens of shorter focal length. By moving the object towards the lens and screen. 4 / 5 4) 2024 S4 EOY P1 Q11 The diagram shows a thin converging lens with a focal length f. The dots on the principal axis are marked to scale. Where must an object be placed to produce an inverted real image as shown? B A C D 5 / 5 5) Ray X travels in the direction shown and passes through a lens. Which ray correctly shows ray X emerging from the lens? B A D C Your score is Restart quiz