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What is the effect called when two sound waves of slightly different frequencies

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Question: What is the effect called when two sound waves of slightly different frequencies interfere?

Options:

  1. Doppler effect
  2. Beats
  3. Resonance
  4. Echo

Correct Answer: Beats

Solution: 

The phenomenon of two sound waves of slightly different frequencies interfering is called beats.

What is the effect called when two sound waves of slightly different frequencies

Practice Questions

Q1
What is the effect called when two sound waves of slightly different frequencies interfere?
  1. Doppler effect
  2. Beats
  3. Resonance
  4. Echo

Questions & Step-by-Step Solutions

What is the effect called when two sound waves of slightly different frequencies interfere?
  • Step 1: Understand that sound waves are vibrations that travel through the air.
  • Step 2: Know that sound waves can have different frequencies, which means they vibrate at different speeds.
  • Step 3: When two sound waves with slightly different frequencies meet, they interact with each other.
  • Step 4: This interaction causes the sound to go louder and softer in a regular pattern.
  • Step 5: This pattern of changing loudness is called 'beats'.
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