RPA Waves In A Solid

Question 1

How to measure waves in a solid

Answer 1

• 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

Question 2

Use of a signal generator

Answer 2

Allows us to change frequency of vibration of the string

Question 3

Describe a standing wave

Answer 3

Happens due to effect called resonance

Question 4

How to measure wavelength of a standing wave

Answer 4

• use a ruler to measure total length of standing wave from wooden bridge to vibration generator
  = use this to workout speed of the wave