RPA Waves In A Solid Flashcards
1
Q
How to measure waves in a solid
A
- use a string attached to a vibration generator and hanging mass
- mass keeps string taut
- vibration generator attached to signal generator
- when power on string vibrates
2
Q
Use of a signal generator
A
Allows us to change frequency of vibration of the string
3
Q
Describe a standing wave
A
Happens due to effect called resonance
4
Q
How to measure wavelength of a standing wave
A
- use a ruler to measure total length of standing wave from wooden bridge to vibration generator
= use this to workout speed of the wave