Infrared radiation is popularly known as "heat radiation", but light and electromagnetic waves of any frequency will heat surfaces that absorb them. Infrared light from the Sun accounts for 49% of the heating of Earth, with the rest being caused by visible light that is absorbed then re-radiated at longer wavelengths. read more
The __ of light can change when light is refracted because the medium changes. wavelength The __ of light can change when light is refracted because the velocity changes. read more