If two sound waves of the same frequency interfere constructively, what happens

Practice Questions

Q1
If two sound waves of the same frequency interfere constructively, what happens to the resultant amplitude?
  1. It decreases
  2. It remains the same
  3. It doubles
  4. It becomes zero

Questions & Step-by-Step Solutions

If two sound waves of the same frequency interfere constructively, what happens to the resultant amplitude?
  • Step 1: Understand that sound waves have a property called amplitude, which is related to how loud the sound is.
  • Step 2: Know that when two sound waves meet, they can interfere with each other in two ways: constructively or destructively.
  • Step 3: Constructive interference happens when the peaks of both sound waves align perfectly.
  • Step 4: When the peaks align, the amplitudes of the two waves add together.
  • Step 5: If both waves have the same amplitude, the resultant amplitude will be double that of one wave.
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