Other questions in this quiz

2. what is diffraction?

  • when waves have a higher frequency
  • when waves spread out after they pass through a gap
  • when waves compress
  • when waves get smaller

3. how do we know if an image is virtual?

  • the image is larger
  • the image doesn't look real
  • the image cannot be projected onto a screen
  • the image is smaller

4. what is the angle of incidence equal to?

  • the angle of reflection
  • the angle from the mirror to the normal
  • the angle of refraction
  • the sine rule of the angle

5. What is the national grid?

  • the telephone wires that connect homes to eachother
  • a system of power stations, cables and transformers
  • the cables that connect homes to power stations
  • all the power stations in the UK
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