Question

the physical effect of light its properties and working is studies under​

Answer 1

Answer:

Light consists of photons — “particles” with no mass which travel at the speed of light. They have energy, and one measure of this energy is the “wavelength” of the light. To a very good approximation, light travels in straight lines, and behaves much like a particle.

Answer 2

Answer:

IGHT

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WRITTEN BY

Glenn Stark

Professor of Physics, Wellesley College, Massachusetts, U.S.

Last Updated: May 7, 2021 See Article History

Alternative Titles: optical spectrum, visible radiation, visible spectrum

Below is the full article. For the article summary, see Light summary.

Light, electromagnetic radiation that can be detected by the human eye. Electromagnetic radiation occurs over an extremely wide range of wavelengths, from gamma rays with wavelengths less than about 1 × 10−11 metre to radio waves measured in metres.