Doppler Effect

Type of activity: demo
Activity code:  W-009


Description:

A. 
1. Connect as shown 
2. Overhead projector should be level 
3. Fill ripple tank with water so it covers the plastic beaches 
4. Adjust puffer tube to 1/4 inch height above surface 
5. Swing puffer motor onto drive wheel 
6. Focus overhead onto water surface 

Method:
1. Turn on overhead and puffer motor 
2. Move the puffer from left to right 
3. Slowly increase speed of puffer each time 
4. Observe the formation of a shock wave 

B. 
1. Check the 9V D.C. battery 

Method:
1. Turn on buzzer using the latch contact

Apparatus

Overhead Projector
Doppler Ball (with Sonalert)
Doppler Puffer
Weights (Lead)
Metal Support Track
Acrylic Tank (shallow)
Filed under: