File:Visualization of Sound Waves - 7 of 10.jpg
![File:Visualization of Sound Waves - 7 of 10.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Visualization_of_Sound_Waves_-_7_of_10.jpg/761px-Visualization_of_Sound_Waves_-_7_of_10.jpg?20191216035316)
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Summary
[edit]DescriptionVisualization of Sound Waves - 7 of 10.jpg |
English: This picture shows cymatics, the study of wave phenomena, sound, and their visual representations. The patterns shown are created by a laser beam that is reflected by a small mirror onto a wall in my darkened basement. I directed two different coloured lasers, red and green, at the same mirror. The mirror is taped to a balloon which is stretched over the opening of a can which is placed on top of a speaker.
As the speaker plays notes, the sound waves vibrate the balloon, causing two-dimensional standing waves, meaning there are areas of high and low vibration. The mirror on the balloon represents a sample of the balloon's overall movement, as the mirror's angle is constantly shifted by the vibrations. So, any movement of the mirror will change the direction of the reflected beam. The movements of the reflected beam can trace out interesting patterns such as the Lissajous pattern shown here, which is formed by movement in two directions at different rates. Stable patterns are formed when the two frequencies are a whole number ratio. |
Date | |
Source | Own work |
Author | Amanda.yuu |
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This image was uploaded as part of Wiki Science Competition 2019. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:53, 16 December 2019 | ![]() | 3,472 × 2,736 (1.49 MB) | Amanda.yuu (talk | contribs) | User created page with UploadWizard |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot SX610 HS |
Exposure time | 1/20 sec (0.05) |
F-number | f/5.6 |
ISO speed rating | 1,250 |
Date and time of data generation | 03:34, 20 November 2019 |
Lens focal length | 17.535 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 03:34, 20 November 2019 |
Y and C positioning | Co-sited |
Exif version | 2.3 |
Date and time of digitizing | 03:34, 20 November 2019 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 4.3125 |
APEX aperture | 4.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 4.96875 APEX (f/5.6) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 33 |
DateTimeOriginal subseconds | 33 |
DateTimeDigitized subseconds | 33 |
Supported Flashpix version | 1 |
Color space | sRGB |
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Focal plane Y resolution | 14,869.565217391 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
GPS tag version | 2.3.0.0 |
Rating (out of 5) | 3 |