1) An opaque object is one that: a) Does not let light through, it is either reflected or absorbed b) Light travels straight through c) Light travels through but the light is scattered in random directions 2) An translucent object is one that: a) Does not let light through, it is either reflected or absorbed b) Light travels straight through c) Light travels through but the light is scattered in random directions 3) An transparent object is one that: a) Does not let light through, it is either reflected or absorbed b) Light travels straight through c) Light travels through but the light is scattered in random directions 4) Which of these statements is true? a) Light travels in straight lines. b) Light is stopped when it meets a solid object. c) Light does not travel in straight lines. 5) Which statement is true? a) Sound travels faster than light. b) Light travels faster than sound c) Light and sound travel at the same speed 6) Shadows are formed because: a) A substance called "darkness" collects behind objects b) Some objects do not give out light in all directions. c) Light cannot go through some objects 7) Which of these statements is true? a) Light bounces evenly of rough surfaces. b) Light bounces evenly off smooth objects like mirrors c) Light bounces off mirrors in all directions 8) The angle of incidence is always _________ the angle of reflection. a) Bigger than b) Equal to c) Smaller than 9) Which phrase best completes the following sentence? We see things because: a) They are luminous b) Light reflects or emits from them and enters our eyes. c) Light from our eyes shines on them. 10) Refraction is what happens when light: a) Bounces of a mirror. b) Light is scattered by a rough surface. c) Bends as it goes from one substance into another. 11) Refraction occurs because: a) Light speeds up when it meets a denser material b) Light slows down when it meets a denser material c) Light stops when it meets a denser material 12) Where does refraction take place? a) All the way through a transparent substance b) As light travels from one opaque substance to another. c) As light travels from a transparent substance to another. 13) Which statement is not true? a) White light is made up of many different colours b) A spectrum can only be made using paints. c) A prism can split white light into a spectrum 14) Blue objects look blue because: a) They reflect all colours b) They absorb blue light c) They reflect blue light 15) Danny is wearing white shorts and a red shirt, which statement is most likely to be true? a) In blue light, his shorts look blue and his shirt looks black b) in blue light, his shorts look blue and his shirt looks red c) In red light, his shorts look red and his shirt looks red

Light quiz

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