If two waves have a phase difference of π radians, what type of interference occ

Practice Questions

Q1
If two waves have a phase difference of π radians, what type of interference occurs?
  1. Constructive interference
  2. Destructive interference
  3. No interference
  4. Complete interference

Questions & Step-by-Step Solutions

If two waves have a phase difference of π radians, what type of interference occurs?
  • Step 1: Understand what a wave is. A wave is a repeating disturbance that travels through space and time.
  • Step 2: Learn about phase difference. Phase difference is the difference in the position of two waves at a given point in time.
  • Step 3: Know that π radians is equivalent to 180 degrees. This means the two waves are exactly out of sync.
  • Step 4: Recognize that when two waves are out of sync by π radians, the peak of one wave aligns with the trough of the other wave.
  • Step 5: Understand that this alignment causes the waves to cancel each other out, which is called destructive interference.
  • Step 6: Conclude that a phase difference of π radians results in destructive interference.
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