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Sticky Note
A standing wave ______?
ایک کھڑی لہر ______؟
  1. Must be transverse
  2. Has motionless points that are closer than half a wavelength
  3. Can be constructed from two similar waves travelling in opposite directions
  4. None of these
Explanation
  • A standing wave is formed by the interference of two waves with the same frequency and amplitude moving in opposite directions.
  • This results in nodes (motionless points) and antinodes (points of maximum displacement) at fixed positions.

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