Other questions in this quiz

2. v = f x λ ... What is f measured in?

  • Hz
  • J
  • N
  • W

3. v = f x λ ...What is f?

  • frequency
  • time
  • speed
  • weight

4. efficiency = useful energy out ÷ total energy in (x 100%) ... what is energy measured in?

  • m
  • W
  • J
  • N

5. E = P x t ... Time measured in?

  • seconds
  • minutes
  • hours
  • days

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