| 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 λ4. The phase difference between the waves is
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π8rad.
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π4rad.
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π2rad.
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π rad.
Markscheme
C
Examiners report
Syllabus sections
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