Physics Unit 1 Quiz

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1. Which of the following is true about refraction?

  • The angle of incidence is greater than the angle of refraction.
  • The angle of refraction is greater than 90 degrees.
  • The angle of incidence is less than the angle of refraction.
  • The angle of incidence is equal to the angle of refraction.
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2. Which of the following is incorrect about sound waves?

  • They're perpendicular to the direction of travel and energy transfer.
  • They're parallel to the direction of travel and energy transfer.
  • They're longitudinal.
  • They're made of compressions and rarefactions.

3. What medium does convection happen in?

  • Liquids.
  • Gases.
  • Fluids.
  • Solids.

4. Name the main advantage of nuclear power.

  • It does not produce greenhouse gases.
  • It is a very safe process to produce electricity this way.
  • It is a renewable energy resource.
  • It is the biggest supplier of electricity in the UK.

5. What does a step-up transformer do?

  • Increases the voltage of electricity.
  • Delivers electricity to homes.
  • Increases the watts of electricity.
  • Slows the current running through the cables.

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