Other questions in this quiz

2. When a vehicle travels towards you, what is happening?

  • The pitch is increasing: the wavelength decreases, frequency increases.
  • The pitch is increasing: the frequency decreases, the wavelength increases.
  • The pitch is decreasing: the wavelength decreases, the frequency increases.
  • The pitch is decreasing: the wavelength increases, the frequency decreases.

3. Which of the following is incorrect about sound waves?

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

4. What is a U-Value?

  • A measure of the efficiency of a material.
  • A measure of heat loss.
  • A measure of how 'green' a material is.
  • A measure of how effective an insulator is.

5. What are light, shiny surfaces good at?

  • Reflecting radiation.
  • Letting radiation pass through.
  • Absorbing radiation.
  • Emitting radiation.

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