Physics
Grade-7
Easy

Question

Direction :Identify the correct transformation of energy in the following.
What changes electrical energy into light and sound energy?

  1. Battery
  2. Lightbulb
  3. Alarm clock
  4. Alarm clock

hintHint:

The alarm clocks converts electrical energy into sound energy.

The correct answer is: Alarm clock


    • The alarm clocks produce sound waves.
    • The batteries of alarm clocks create electrical energy.
    • The electrical energy is converted into sound energy.

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