Selective absorption describes which process?

Selective absorption describes which process?

• A. The reflection of all wavelengths of visible light.
• B. Absorbing all components of visible light.
• C. Transmitting all components of visible light.
• D. The process by which a material absorbs some components of visible light and transmits others.

Answer: (D)

Selective absorption describes the process by which a material absorbs some wavelengths of visible light and transmits others. Different wavelengths are absorbed or passed based on the material’s electronic structure, so the light that emerges (or is reflected to our eyes) is missing the absorbed colors. That’s why pigments and dyes show distinctive colors: they take out specific parts of the spectrum and let the rest through. The other descriptions—reflecting all wavelengths, absorbing all wavelengths, or transmitting all wavelengths—don’t involve selectively removing some colors while letting others pass, so they don’t capture what selective absorption means.

Selective absorption describes the process by which a material absorbs some wavelengths of visible light and transmits others. Different wavelengths are absorbed or passed based on the material’s electronic structure, so the light that emerges (or is reflected to our eyes) is missing the absorbed colors. That’s why pigments and dyes show distinctive colors: they take out specific parts of the spectrum and let the rest through. The other descriptions—reflecting all wavelengths, absorbing all wavelengths, or transmitting all wavelengths—don’t involve selectively removing some colors while letting others pass, so they don’t capture what selective absorption means.