Define unpolarized light and polarized light.
(N/A) Unpolarized light: Light is an electromagnetic wave in which the oscillations of the $\overrightarrow{E}$ (electric field) vectors occur in all possible directions within a plane perpendicular to the direction of propagation. This is called unpolarized light. In this case,the plane of vibration of the $\overrightarrow{E}$ vector changes randomly in very short intervals of time.
Polarized light: Light in which the electric field vectors are restricted to a single plane (coplanar) and are parallel to each other is called polarized light. This is also known as plane-polarized light.
Polarized light: Light in which the electric field vectors are restricted to a single plane (coplanar) and are parallel to each other is called polarized light. This is also known as plane-polarized light.
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