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Optical filter

physical science Maturity 11-13

A filter is a special tool.

Filter-optics-1.jpg
Filter-optics-1.jpg
It can change light. It lets some colors through. It stops other colors. This helps us take good photos. It also helps us see stars.
Filter-optics-1.jpg
Filter-optics-1.jpg
Do you like bright colors?

38 words
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File:Filter-optics-1.jpg
Filter-optics-1.jpg
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📚 Content adapted from Wikipedia | Readability: FK 13.5 | Vital Level 5