Variable Standing Wave Machine

video embedded
Type of activity: demo
Activity code:  W-011a

Description:

Also known as Rob's Wave Machine.

Connect as labelled. Motor speed controlled by varying voltages from the DC power supply.

1. Increase the string motors speed to increase the number of waves. 
2. Decrease the string motors speed to decrease the number of waves. 
3. Adjust the color wheel speed so that the waves are easily viewed.

 

Video: Standing Waves

source: https://play.library.utoronto.ca/a1330b4f3439198cfc1c3b801f004518

Apparatus

Variable Standing Wave Apparatus
Power Supply (HP E3630A)
Power Supply (HP E3630A)
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