A beam of white light from a flashlight passes through a red piece of plastic. a. What is the color of the light that emerges from the plastic? b. Is the emerging light as intense as, more intense than, or less intense than the white light? Explain. c. The light then passes through a blue piece of plastic. Describe the color and intensity of the light that emerges.

Question

22-06-2019
Physics

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A beam of white light from a flashlight passes through a red piece of plastic. a. What is the color of the light that emerges from the plastic? b. Is the emerging light as intense as, more intense than, or less intense than the white light? Explain. c. The light then passes through a blue piece of plastic. Describe the color and intensity of the light that emerges.

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Betraxa Betraxa · Answer 1 · 2019-06-22T18:07:37+02:00

Answer:

A. Red

B. Less intense

C. No intensity, and color (theoretically)

Explanation:

A. red objects only reflect red light, which means it absorbs the rest of the light waves.

B. because of what happens in A. (absorption of the other color of waves) We loose a part of the light so, the intensity decreases.

C. Theoretically, the light that gets reflected (goes through) the light object has only red waves, so no green OR BLUE which means that all the red light will be absorbed by the blue object and nothing will be reflected since there's no blue light to reflect -> no intensity, no color.