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Date May 2017 Marks available 1 Reference code 17M.1.SL.TZ1.16
Level Standard level Paper Paper 1 Time zone Time zone 1
Command term Question number 16 Adapted from N/A

Question

Unpolarized light of intensity I0 is incident on the first of two polarizing sheets. Initially the planes of polarization of the sheets are perpendicular.

Which sheet must be rotated and by what angle so that light of intensity \(\frac{{{I_0}}}{4}\) can emerge from the second sheet?

Markscheme

C

Examiners report

[N/A]

Syllabus sections

Core » Topic 4: Waves » 4.3 – Wave characteristics
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