Which of the following experimental set-ups used in the lab will produce linearl

Question

Which of the following experimental set-ups used in the lab will produce linearly polarized electromagnetic wave (more than one answer may be correct)?

A wire grid placed perpendicularly to the orientation of initially polarized microwave.

Three film polarizers placed in front of initially unpolarized light oriented at any angles, as long as all three angles are less than 90 degrees.

A wire grid placed parallel to the orientation of initially polarized microwave.

Two film polarizers placed in front of initially unpolarized light with relative angle between the polarizers less that 90 degrees.

Two film polarizers placed in front of initially unpolarized light with relative angle between the polarizers equal 90 degrees.

Three film polarizers placed in front of initially unpolarized light oriented at any angles.

Initially unpolarized light scattered along the direction of propagation of the original light.

A film polarizer and then a piece of wax paper placed in front of initially unpolarized light.

Explanation / Answer

correct options are below..

two film polarizers placed in front of initially unpolarized light with relative angle between the polarizers equal to 90 degree.

a film polarizor and then a piece of wax paper placed in front of initially unploarized light.

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