If the human eye was not responsive to differences in the wavelength of light, we would not be able to perceive differences in:
Correct answer: B. Color
- A. Intensity
- B. Color
- C. Purity
- D. Brightness
Explanation
Wavelength is the main physical property associated with hue, or perceived color, whereas intensity is related mainly to brightness. Without wavelength sensitivity, the eye could detect light but not distinguish its colors.
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