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demonstrations:3_oscillations_and_waves:sound_waves:kundts_tube:start [2020/01/07 20:38] demoroom |
demonstrations:3_oscillations_and_waves:sound_waves:kundts_tube:start [2020/02/14 17:11] demoroom |
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====== Kundt's Tube ====== | ====== Kundt's Tube ====== | ||
- | {{tag>sound resonance standing_waves untagged unlocated}} | + | {{tag>sound resonance standing_waves untagged located}} |
<WRAP box right> | <WRAP box right> | ||
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Set up: | Set up: | ||
- | 1. Attach the function generator (channel 1) output to the input at the back of the amplifier labeled "Phono Right" | + | - Attach the function generator (channel 1) output to the input at the back of the amplifier labeled "Phono Right" |
- | 2. Ensure the Amplifier is set to play the Phono input | + | - Ensure the Amplifier is set to play the Phono input |
- | 3. Attach the two cables from the back of the amplifier to the speakers | + | - Attach the two cables from the back of the amplifier to the speakers |
- | 4. Test the speaker to check if the polarity is right (they only work one way) | + | - Test the speaker to check if the polarity is right (they only work one way) |
- | 5. 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 |
- | 6. 175 Hz is one of the main frequency setting but multiple others show standing waves | + | - 175 Hz is one of the main frequency setting but multiple others show standing waves |
- | 7. An interesting effect occurs when you toggle frequencies consecutively with the frequency dial | + | - An interesting effect occurs when you toggle frequencies consecutively with the frequency dial |
Line 47: | Line 47: | ||
- | This demo can be shown using the Camcorder | + | After some amount of vibrating, the styrofoam beads will build up sufficient static charges to stay in the standing wave shape even when the speaker is turned off. |
- | Music can also be played into the speaker for this demonstration | + | |
- | Length between the nodes can be used to calculate the speed of sound in air | + | |
- | The amplifier is a black Onkyo receiver that can be found on the middle shelf of one of the carts | + | |
+ | Music can also be played into the speaker for this demonstration . | ||
+ | |||
+ | Length between the nodes can be used to calculate the speed of sound in air. | ||
+ | |||
+ | The [[demonstrations:9_equipment:av_receiver_amplifier:start| amplifier and function generator]] can be found on one of the carts | ||
- | Updated on: 06/19/13 | ||
<WRAP group> | <WRAP group> | ||
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</WRAP> | </WRAP> | ||
<WRAP tablewidth 100%> | <WRAP tablewidth 100%> | ||
- | | **Location** | ---- | | + | | **Location** | S2 | |
| **Maker** | Unknown | | | **Maker** | Unknown | | ||
| **Current State** | Working | | | **Current State** | Working | |