Question

unpolarized light is symmetrical about the direction of propagation of light comment.

in brief ​

Answer 1

❤umm ❤

In an unpolarized light the vibration of electric field vector (E) are in every plane perpendicular to the direction of propagation of light.

thus,unpolarized light is symmetrical about the direction of propagation of light .

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Answer 2

Answer:

Unpolarized light is statistically symmetric about the direction of propagation, because every photon has an equal probably of having its E-field in some direction normal to the direction of propagation.

Therefore, if you put a polarizer in its path, no matter how you turn it, it will always let the same intensity through.

For linearly polarized light, however, all photons have their E-field in the same plane, therefore the intensity changes when you turn the polarizer, i.e. it is not symmetric anymore.