Sound

Sound

1. Definition: Form of energy giving sensation of hearing

2. Speed: In solids - Fastest, Liquids - Slower than solids, Gas - Slowest

3. Oscilloscope

   • Cathode Ray Oscilloscope (CRO):
     • Has cathode ray tube and microphone which converts sound signals to electrical signals
     • The data can't be stored
   • Digital Oscilloscope
     • Has microphone which converts sound to electric signals which are carried by electric circuits
     • Data can be stored

4. Factors affecting sound