A-LevelPhysicsWaves9702/12 · May/June 2015 · Q241 Mark
Two light waves of the same frequency are represented by the diagram. [Figure showing two sinusoidal displacement-phase angle graphs. Both start at 0 displacement; the solid line increases initially, while the dashed line decreases initially. The solid line peaks at 90°, the dashed line peaks around 280° and has a minimum around 100°.] What could be the phase difference between the two waves?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
A150°
B220°
C260°
D330°
✓ Correct answer
C: 260°
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