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Question 18M.1.SL.TZ2.17

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ2.17
Level SL Paper 1 Time zone TZ2
Command term Question number 17 Adapted from N/A
17.
[Maximum mark: 1]
18M.1.SL.TZ2.17

A sound wave has a wavelength of 0.20 m. What is the phase difference between two points along the wave which are 0.85 m apart?

A.     zero

B.     45°

C.     90°

D.     180°

[1]

Markscheme

C

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