Behaviour of waves
- Created by: darkest_soul
- Created on: 15-05-19 10:55
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- Behavior of waves
- Superposition
- When more than one wave is in the same location, the overall effect is the vector sum of their individual displacements at each point where they meet.
- Constructive interference
- If two waves are in phase, they will produce a larger-amplitude resultant wave
- Destructive interference
- If waves meet and are exactly out of phase then the resultant is a zero-amplitude wave
- Constructive interference
- When more than one wave is in the same location, the overall effect is the vector sum of their individual displacements at each point where they meet.
- Phase angles
- 1/4 of a cycle
- 90°
- pi/2
- lambda/4
- pi/2
- 90°
- 1/2 of a cycle
- 180°
- pi
- lambda/2
- pi
- 180°
- 3/4 of a cycle
- 270°
- 3(pi)/2
- 3(lambda)/4
- 3(pi)/2
- 270°
- A whole cycle
- 360°
- 2pi
- lambda
- 2pi
- 360°
- 1/4 of a cycle
- Superposition
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