Discussion :: Environmental Science
- How do red and blue light differ?
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A.
Blue light has a higher speed of propagation. |
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B.
The wavelength of red light is longer. |
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C.
Red light has a higher intensity. |
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D.
Red and blue light have different directions of polarization. |
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Answer : Option B
Explanation :
Red light has a slightly longer wavelength than blue light. Red light (at one end of the visible spectrum) has a longer wavelength than blue light.
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