Other questions in this quiz

2. How does the temperature of an object affect the rate at which it emits infared radiation ?

  • The higher the temperature the greater it emits infared.
  • The Lower the temperature the greater it emits infared.

3. Why does a fluid become less dense when heated ?

  • this is because you loose energy
  • this is because it expand so same amount of mass but in a larger volume
  • this is because some of the water evaporates

4. Why is a painted object dull black colour better for absorbing energy

  • A dull black colour absorbs energy much quicker
  • It slowly absorbs energy

5. Why are houses in hot countries often painted white ?

  • They reflect heat and sun
  • They absorb heat and sun
  • It makes them look pretty

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