A standing wave ______?
Lecturer Physics Past Papers and Syllabus / All — Multiple-choice practice
ایک کھڑی لہر ______؟
- A. Must be transverse
- B. Can be constructed from two similar waves travelling in opposite directions
- C. Has motionless points that are closer than half a wavelength
- D. None of these
Correct answer
Can be constructed from two similar waves travelling in opposite directions
Explanation
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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