Refer to an object that is positioned 10 cm in front of a lens. The lens is eith
ID: 1412860 • Letter: R
Question
Refer to an object that is positioned 10 cm in front of a lens. The lens is either shaped like lens 1 or 2 shown below. For each of the possible lenses in Questions 18-22, choose the one statement A - D that correctly describes the image formed by that lens. If none of the descriptions is correct, choose answer E. A. The image is upright and larger than the object. B. The image is upright and smaller than the object. C. The image is inverted and larger than the object. D. The image is inverted and smaller than the object, E. None of the descriptions of the lens is correct. 18. The lens looks like 1 with focal length 4 cm. 19. The lens looks like 2 with focal length 8 cm. 20. The lens looks like 2 with focal length 16 cm. 21. The lens looks like 2 with focal length 4 cm. 22. The lens looks like 1 with focal length 16 cm.Explanation / Answer
18)B. diverging lens
19)C. The object is located between 2F and F, F being the focal point of the converging lens
20) A, object located in front of focal point of converging lens.
21)D. The object is located beyond 2F, F being the focal point of the converging lens.
22)B. diverging lens