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5 Written questions

5 Matching questions

  1. Silver, copper, gold, aluminum, and iron
  2. Frequency
  3. Destructive Interference
  4. Alternating Current
  5. Resonance
  1. a Occurs when a periodic force has the same frequency as the natural frequency.
  2. b Good Conductors
  3. c The number of cycles per second; measured in Hertz (Hz)
  4. d An electric current that oscillates in direction
  5. e Occurs when waves add up to make a smaller amplitude

5 Multiple choice questions

  1. "Shiny surface" reflection in which each incident ray creates only one reflected ray
  2. Formed by rays of light coming together
  3. Motion that repeats itself over and over
  4. A formula that says the current flowing in a circuit is the voltage divided my the resistance
  5. The unit for measuring the loudness of a sound

5 True/False questions

  1. Law of ReflectionWhen a light ray reflects off a surface, the angle of incidence is equal to the angle of reflection.

          

  2. Open CircuitA circuit in which there is a break so that current cannot flow.

          

  3. GeneratorA device that converts kinetic energy into electrical energy using the law of induction

          

  4. VoltsUnits for power

          

  5. OhmsUnits for voltage

          

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