Superposition Principle
Superposition applies when waves are?
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About This Question
- Subject
- physics
- Chapter
- oscillations and waves
- Topic
- superposition principle
- Difficulty
- Hard
- Year
- 2025
Solution
Correct Answer:
Linear and independent
- The Principle: For linear media, the resultant displacement at any point is the vector sum of individual displacements of waves at that point: y=y1+y2+….
- Condition: Linearity: The restoring forces in the medium must be proportional to the displacement (F∝x). This is typically true for small amplitude waves.
- Independence: Waves do not interact with or scatter each other; they pass through each other unaffected.
- Failure: Superposition fails in non-linear media (high-intensity laser pulses) where the properties of the medium change due to the wave itself.
This hard difficulty physics question is from the chapter oscillations and waves, covering the topic of superposition principle. It appeared in the 2025 exam.
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