1) A mirror found on a bad bend on a road is a a) Concave mirror b) Convex mirror c) Plane mirror 2) When you stand in front of a mirror a) Object distance < image distance b) Object distance = image distance c) Object distance > image distance 3) Lateral inversion in a plane mirror means the image is a) Upside down b) Magnified c) Diminished d) Left to right 4) Image formed is a) Real, inverted, diminished b) Real, inverted, magnified c) Real, upright, diminished d) Real, upright, magnified e) Virtual, upright, magnified  f) Virtual, upright, diminished 5) This is a convex lens. If the image is projected onto a sheet of paper, the Image is formed is a) At 2f b) Between 2f and f c) At f d) Inside f 6) Image formed in a concave lens is always a) Real, upright, magnified b) Real, upright, diminished c) Virtual, upright, magnified d) Virtual, upright, diminished 7) An object is placed 10 cm in front of a concave mirror and the image is formed 15 cm in front of the mirror. What is the focal length? a) 1/6 cm b) 6 cm 8) Snell’s law states that a) Real depth = apparent depth b) Sin i = sin r c) Sin i ∝ sin r d) Image distance = object distance e) i = r f) i ∝ r 9) This window of light occurs when we look up when deep in water because of a) Reflection b) Total internal reflection c) Refraction d) Total internal refraction 10) Light travelling from a more dense medium to less dense medium will a) Bend towards the normal b) Pass straight through c) Bend away from the normal 11) Which medium is more dense a) A b) B 12) What lens is needed to bring the light rays into focus on the retina? a) Concave lens b) Convex lens 13) This person is a) Long sighted, correct with convex lens b) Short sighted, correct with convex lens c) Long sighted, correct with concave lens d) Short sighted, correct with concave lens

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