Light can travel through which of the following?
  • A luminous material
  • A mirror
  • A translucent material
  • An opaque material
Which of the following statements about light is not false?
  • Fastest in a vacuum
  • Fastest in air
  • Fastest in water
  • Slower than sound
Which of the following is translucent?
  • A mirror
  • Air
  • Greaseproof paper
  • The moon
We usually look at our reflection in a flat mirror. This type of mirror is a .......
  • Bi-concave mirror
  • Concave mirror
  • Convex mirror
  • Plane mirror
Objects with a smooth surface give what type of reflection?
  • Diffuse reflection
  • Irregular reflection
  • No reflection
  • Regular reflection
Which of the following statements is the correct reason we can see objects that are NOT luminous?
  • Our eyes give out light
  • They bend light into our eyes
  • They reflect light into our eyes
  • They shine light into our eyes
In a flat mirror, the angle of incidence is equal to what?
  • The angle of emergence
  • The angle of reflection
  • The angle of refraction
  • The angle of transmission
In a ray diagram, a normal is a line drawn at what angle to the surface?
  • 180° to the mirror's surface
  • 45° to the mirror's surface
  • 60° to the mirror's surface
  • 90° to the mirror's surface
Which of the following is NOT luminous?
  • A burning candle
  • A car headlight (switched on)
  • The Moon
  • The Sun
Light travels in:
  • Circular lines
  • Straight lines
  • Wavy lines
  • Zig zag lines
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