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Light is

a. electric and magnetic fields that oscillate perpendicularly to each other.
b. electric and magnetic fields that oscillate in a random direction relative to each other.
c. an oscillating electric field alone. an oscillating magnetic field alone.
d. electric and magnetic fields that oscillate parallel to each other.

Respuesta :

Answer:

a. electric and magnetic fields that oscillate perpendicularly to each other.

Explanation:

Light travels in the form of electromagnetic wave which contains electric and magnetic field , these two fields lie perpendicular to each other and both of them lie perpendicular to direction of propagation of wave. The electric and magnetic fields oscillate in magnitude or change sinusoidally in magnitude.

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