Q.1
A red filter will only:
  • Stop blue light
  • Stop green and yellow light
  • Stop red light
  • Transmit red light
Q.2
The three primary light colours are:
  • Blue, green and yellow
  • Red, blue and green
  • Red, blue and yellow
  • Red, green and yellow
Q.3
Colours are caused by light having different:
  • Frequencies and speed
  • Frequencies and wavelengths
  • Speeds
  • Wavelengths and speed
Q.4
When light travels from air to glass at any angle other than ninety degrees, which of the following is true?
  • It bends away from the normal
  • It bends towards the normal
  • The direction will not change
  • The speed is unchanged
Q.5
Light from the Sun is called:
  • Blue light
  • Red light
  • White light
  • Yellow light
Q.6
Which of the following statements about light travelling from air to water is true?
  • It is mainly deflected
  • It is mainly dispersed
  • It is mainly reflected
  • It is mainly refracted
Q.7
Why does grass look green in daylight?
  • It absorbs green and yellow light
  • It absorbs green light
  • It reflects green and yellow light
  • It reflects green light
Q.8
Light can be split into colours of the spectrum using a prism. What is this process called?
  • Deflection
  • Dispersion
  • Reflection
  • Refraction
Q.9
In a solar eclipse, which of the following is true?
  • The Earth is between the Sun and the Moon
  • The Moon and the Earth are at right angles to each other
  • The Moon is between the Sun and the Earth
  • The Sun is between the Moon and the Earth
Q.10
When light travels from air to glass it does which of the following?
  • It is all reflected
  • It slows down
  • It speeds up
  • It travels in the same direction
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