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Light & Color

tipo de documento Physique - Expérimentation/Travaux pratiques

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Photography is an excellent way to learn the physics of light. Cameras have adjustable settings such as shutter speed, aperture diameter, and ISO speed to modify the way light enters the camera. Black & white photography is monochromatic, consisting of a single color in various shades. The gradeient between black and white is produced by color where the chemicals in the film respond to various wavelengths. Photographic filters are used to correct, enhance, or adjust the contrast between the shades. Placed in front of the lens colored filters will absorb different wavelengths of color and alter the way the light hits the film. In this experiment students will explore the properties of light and color by photographing colorful images with and without color filters.

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