A source of light is viewed through a polarising filter, as shown in photograph 1 - Edexcel - A-Level Physics - Question 2 - 2023 - Paper 2
Question 2
A source of light is viewed through a polarising filter, as shown in photograph 1.
The filter is rotated through an angle and then viewed, as shown in photograph 2.
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Worked Solution & Example Answer:A source of light is viewed through a polarising filter, as shown in photograph 1 - Edexcel - A-Level Physics - Question 2 - 2023 - Paper 2
Step 1
Light emitted by source is polarised, Angle of rotation / radians
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Answer
The correct answer is A, as the light emitted by the source is polarised when it passes through the polarising filter and the angle of rotation is rac{ ext{π}}{2}.
