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demonstrations:3_oscillations_and_waves:sound_waves:kundts_tube:start
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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 17:10] 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> | ||
| Line 30: | Line 30: | ||
| 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> | ||
demonstrations/3_oscillations_and_waves/sound_waves/kundts_tube/start.txt · Last modified: 2020/02/14 17:11 by demoroom
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