What is the relationship between wavelength and color in visible light?

• A. Different wavelengths correspond to different colors
• B. All wavelengths appear as white light
• C. Longer wavelengths appear brighter
• D. Color does not depend on wavelength

Answer: (A)

The relationship between wavelength and color in visible light is that different wavelengths correspond to different colors. In the visible spectrum, light waves vary in wavelength, and each wavelength is perceived by the human eye as a distinct color. For example, shorter wavelengths, around 380 to 450 nanometers, are seen as violet and blue hues, while longer wavelengths, around 620 to 750 nanometers, correspond to red hues. This correlation is fundamental to our understanding of light and color, as it allows us to classify the spectrum of visible light into recognizable colors like red, orange, yellow, green, blue, indigo, and violet.

This is why the selection highlighting this relationship accurately reflects how color perception is intrinsically linked to the physical property of wavelength in light.