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Light as a Wave

Interference patterns are seen when light travels through two narrow slits in Young's double slit experiment.This requires superposition of waves and constructive and destructive interference to produce reinforcement(maxima) and cancellation(minima).Particles cannot superpose in this way.

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Specification: Edexcel Physics (8PH0), AS-level, Topic 5: Waves and Particle Nature of Light. Topic: Quantum Physics.

Key terms in this lesson

superposition
The principle that when two or more waves meet, the resultant displacement at any point is the vector sum of their individual displacements there.

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