GK
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What happens when two polarizing filters are placed so that their axes of polarization are perpendicular to each other?
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Transmitted light is slightly weaker
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There is no transmitted light
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transmitted light is polarized.
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Transmitted light oscillates in all directions.
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Explanation:
Detailed explanation-1: -If the second polarizing filter is rotated, only the component of the light parallel to the second filter’s axis is passed. When the axes are perpendicular, no light is passed by the second.
Detailed explanation-2: -If we have two Polarizing filters whose planes of polarization are rotated 90 degrees with respect to each other, then no light gets through. Some materials can rotate the plane of polarization as light passes through them.
Detailed explanation-3: -An ideal polarizer produces linearly polarized light from unpolarized light. Two ideal polarizers would eliminate all light if their transmission directions are placed at right angles.
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