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demonstrations:3_oscillations_and_waves:sound_waves:interference_with_two_sound_sources:start [2020/02/20 20:40] demoroom |
demonstrations:3_oscillations_and_waves:sound_waves:interference_with_two_sound_sources:start [2020/03/13 20:57] (current) demoroom |
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====== Interference With Two Sound Sources ====== | ====== Interference With Two Sound Sources ====== | ||
- | {{tag> oscillations_and_waves speakers interference acoustics unlocated}} | + | {{tag> oscillations_and_waves speakers interference acoustics located}} |
<WRAP box right> | <WRAP box right> | ||
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===== Setup ===== | ===== Setup ===== | ||
- | - Place the speakers on a cart at least two feet apart. You will have to adjust this distance according to your frequency. | + | - Place the speakers on a cart at least two feet apart. You will have to adjust this distance according to your frequency |
- | - Attach the function generator output to the Amplifier and connect the amplified outputs from the amplifier to the input at the back of the stereo labeled "Phono Right". | + | - Attach the function generator output to the Amplifier and connect the amplified outputs from the amplifier to the input at the back of the stereo labeled "Phono Right" |
- Ensure the stereo is set to play the phono input | - Ensure the stereo is set to play the phono input | ||
- | - Attach the two cables from the back of the stereo to the speakers as shown in the picture below | + | - Attach the two cables from the back of the stereo to the speakers as shown in the picture |
- Test the speakers to check if the polarity is right (they only work one way) | - Test the speakers to check if the polarity is right (they only work one way) | ||
- Select a frequency on the function generator and turn up the volume on the stereo | - Select a frequency on the function generator and turn up the volume on the stereo | ||
- | - The table (or cart) can be turned so that any interference pattern produced in the direction of the speakers can be swept across the audience producing audible maxima and minima. | + | - The table (or cart) can be turned so that any interference pattern produced in the direction of the speakers can be swept across the audience producing audible maxima and minima |
===== Notes ===== | ===== Notes ===== | ||
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</WRAP> | </WRAP> | ||
<WRAP tablewidth 100%> | <WRAP tablewidth 100%> | ||
- | | **Location** | ---- | | + | | **Location** | T1 | |
| **Maker** | Unknown | | | **Maker** | Unknown | | ||
| **Current State** | Working | | | **Current State** | Working | |