File:Expérience-de-Tyndall.jpg
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[edit]DescriptionExpérience-de-Tyndall.jpg |
Français : Expérience de John Tyndall (1820-1893). Un pain de glace est supporté à ses deux extrémités. Un fil lesté d'un poids est posé transversalement sur le pain de glace. Sous l'effet de la pression due au fil la glace fond localement, le fil descend dans le bloc de glace, et l'eau redevient solide après le passage du fil, lorsque la pression redevient normale. Le fil traverse ainsi le bloc de glace sans le rompre. |
Date | |
Source | Own work |
Author | Patrick.Delbecq |
Licensing
[edit]I, the copyright holder of this work, hereby publish it under the following license:
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:19, 17 August 2018 | 2,112 × 1,732 (899 KB) | Patrick.Delbecq (talk | contribs) | User created page with UploadWizard |
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Exposure time | 1/60 sec (0.016666666666667) |
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F-number | f/4.3 |
Lens focal length | 9.4 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 20:44, 1 July 2014 |
Y and C positioning | Co-sited |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 4.2109375 APEX (f/4.3) |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Custom process |
Exposure mode | Auto exposure |
Digital zoom ratio | 0 |
Scene capture type | Standard |
Scene control | High gain up |
Date and time of digitizing | 21:35, 1 July 2014 |
Supported Flashpix version | 1 |
Image width | 2,112 px |
Image height | 1,732 px |
Date metadata was last modified | 21:44, 1 July 2014 |
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