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Question 19N.1.SL.TZ0.15

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1.SL.TZ0.15
Level SL Paper 1 Time zone TZ0
Command term Question number 15 Adapted from N/A
15.
[Maximum mark: 1]
19N.1.SL.TZ0.15

Unpolarized light is incident on two polarizing filters X and Y. They are arranged so that light emerging from Y has a maximum intensity. X is fixed and Y is rotated through θ about the direction of the incident beam in its own plane.

What are the first three successive values of θ for which the final transmitted intensity is a maximum?

 

A.  90°, 180°, 270°

B.  90°, 270°, 450°

C.  180°, 360°, 540°

D.  180°, 540°, 720°

 

[1]

Markscheme

C

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