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Date November 2013 Marks available 1 Reference code 13N.1.SL.TZ0.16
Level Standard level Paper Paper 1 Time zone Time zone 0
Command term Question number 16 Adapted from N/A

Question

Two identical waves of wavelength λ leave two sources in phase. The waves meet and superpose after travelling different distances. Which path difference will result in destructive interference?

A. \(\frac{\lambda }{4}\)

B. \(\frac{\lambda }{2}\)

C. \(\frac{{3\lambda }}{4}\)

D. λ

Markscheme

B

Examiners report

[N/A]

Syllabus sections

Core » Topic 4: Waves » 4.4 – Wave behaviour
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