Answer:
true
The absorption of light makes an object dark or opaque to the wavelengths or colors of the incoming wave:
Wood is opaque to visible light.
Some materials are opaque to some wavelengths of light, but transparent to others. Glass and water are opaque to ultraviolet light, but transparent to visible light.
By which wavelengths of light are absorbed by a material, the material composition and properties can be understood.
Explanation:
