Light (Set 2)

  • Answer all the questions.
    • 1. How shadows are formed?
      • A) When light is blocked by a transparent object.
      • B) When light passes through a transparent object.
      • C) When the source of light has less energy.
      • D) When an opaque or a translucent object blocks the light.
    • 2. When the student shifts one of the cardboard, he cannot see the light. Why?
      • A) Light can passes through an opaque object.
      • B) Light travels in straight lines.
      • C) Light can be reflected.
      • D) Light cannot travel in a vacuum space.
    • 3. Which of the objects uses application of shadow?
      • A) A torchlight
      • B) A sundial
      • C) A mirror
      • D) A periscope
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