Will Yellow Plastic Work For A Camera Filter
Science project
Light Assimilation and Color Filters
When white lite shines on a red object, all of the colors that form the white light are absorbed except red, which is reflected. This is why the object appears red. A filter is a transparent material that absorbs some colors and allows others to laissez passer through.
Light is the merely source of colour. Color pigments (paints, dyes, or inks) show color by absorbing certain parts of the light spectrum and reflecting the parts that remain. Color filters work the aforementioned way, absorbing sure wavelengths of color and transmitting the other wavelengths.
A yellow color filter will let through only yellowish and absorb all other colors. So when blue light is allowed through a bluish filter onto a bluish object, the object volition still reverberate blueish and therefore appear blue. But when blue light from a blue filter hits a red object, the blue will be captivated and no light volition be reflected, giving the object an appearance of beingness black.
- Flashlight
- Crimson, blue, and green structure paper
- Come across-through colored cellophane paper
- Camera filters in carmine, blue and dark-green
- Masking tape or a rubber ring
- Why did the papers look white, red, blue, and green (respectively) in white low-cal?
- How did the filters impact the white flashlight beam?
- Why did the yellow and green papers seem to lose their colour when red lite was shined on them?
- Darken the room as much as possible.
- Turn on the flashlight and aim it at the white paper. Detect and record the colour of the paper in the data table.
- Repeat step ii with the red, blueish, and green pieces of paper.
- Place the blood-red filter in front end of the beam of the flash light as shown using tape or a safe band to secure the cellophane paper filter. Shine the filtered beam on the white, red, blue, and green papers and record the colors seen.
- Repeat using the bluish filter and so the dark-green filter. After each test, record the results.
| Filter Paper | None | Red | Light-green | Blue |
| White | ||||
| Red | ||||
| Blue | ||||
| Green |
Place a filter in front of the calorie-free source. Combine 2 colored filters. Now combine three colors. Experiment with many dissimilar combinations.
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Source: https://www.education.com/science-fair/article/colored-lights-effect/
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