Question

IS THERE ANY GENIUS IN BRAINLY IF YES THEN ANSWER.AND NO SPAMMING THE ANSWER

what is light?and why is it called an electromagnetic radiation or spectrum

Answer 1

Light is a form of energy which gives sensation of vision.
Electromagnetic waves are formed by oscillating electric and magnetic fields. They have various properties like wavelength, frequency, speed, energy and all of these are inter related. Based on their frequencies they are classified in the electromagnetic spectrum.

Answer 2

light is a form of enery . the process by which light travels is called rectilinear propagation
spectrum is a transparent device which splits white light( sunlight) into seven colours is called spectrum

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