2023TrialMultiple choice
Q17
1 mark
Question
Which statement correctly matches Malus’ Law?
(A) The intensity of polarised light entering an analyser is directly proportional to the cosine squared of the angle between the polariser and the analyser.
(B) The intensity of polarised light entering an analyser is inversely proportional to the cosine squared of the angle between the polariser and the analyser.
(C) The intensity of non-polarised light entering an analyser is directly proportional to the cosine squared of the angle between the polariser and the analyser.
(D) The intensity of non-polarised light entering an analyser is inversely proportional to the cosine squared of the angle between the polariser and the analyser.
Syllabus alignment
Module 7 · The Nature of Light
- Light: Wave ModelApply Malus's law to plane polarisation and evaluate its significance for the wave model.