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Date May 2011 Marks available 1 Reference code 11M.1.HL.TZ2.14
Level Higher level Paper Paper 1 Time zone Time zone 2
Command term Question number 14 Adapted from N/A

Question

Two waves meet at a point. The waves have a path difference of \(\frac{\lambda }{4}\). The phase difference between the waves is

  1. \(\frac{\pi }{8}{\rm{rad}}\).

  2. \(\frac{\pi }{4}{\rm{rad}}\).

  3. \(\frac{\pi }{2}{\rm{rad}}\).

  4. π rad.

 

Markscheme

C

Examiners report

 

Syllabus sections

Additional higher level (AHL) » Topic 9: Wave phenomena » 9.1 – Simple harmonic motion
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