Sagot :
Answer:
The primary properties of light are intensity, propagation direction, frequency or wavelength spectrum and polarization. Its speed in a vacuum, 299 792 458 metres a second (m/s), is one of the fundamental constants of nature.
Answer:
The primary properties of light are intensity, propagation direction, frequency or wavelength spectrum and polarization.
Characteristics of light: Direction, Intensity, Color, Contrast, and Hardness.