Question

Light passes straight through two polarizing filters in which the axis of polarization of the second filter is rotated 45 degrees compared to the first filter. How does the light that passes through the second filter compare to the light that passes through the first filter??

Answer 1

Answer: If the second polarizing filter is rotated by 45°, only the component (parts of the light beam) of the light parallel to the second filter’s axis is passed.

Explanation: Polarization is the process of converting unpolarized light to polarized light.

Polarized light waves are light waves travel in a single plane.

If two polarizing filters are applied to a light wave,

-If the axes of the first and second filters are aligned in a parallel form, it would cause all of the polarized light passed by the first filter to also pass by the second.

- If the second polarizing filter is rotated by an angle of about 45°, only the parts of the light beam parallel to the second filter’s axis is passed.

- When the axes of the polarization filter are perpendicular, no light is passed by the second filter.