Wc-2 Interference of Two Sound Sources (1)
Aim
To demonstrate acoustic interference.
Apparatus
- Stereo Amplifier
- Signal Generator
- Microphone Probe
- Amplifier
- C.R.O.
Interference of 2 Sound Sources Setup.
Description
The signal generator is fed into the auxiliary input of the stereo amplifier and set to 3-5 kHz. The speakers are positioned approximately six feet apart and directed into the audience. If the microphone probe is traversed along line A-B the nodes and antinodes are readily displayed as minima and maxima on the C.R.O.