Exam-style question
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Why is the observation of interference in Young's double-slit experiment significant for the wave model of light?.
- A.It shows light can be polarized.
- B.It confirms light travels at a constant speed.
- C.It demonstrates light can exhibit both wave and particle characteristics.
- D.It indicates light can only behave as a particle.
Model answer
What a good answer should say
- It demonstrates light can exhibit both wave and particle characteristics.
Explanation
Why this works
The cause is the dual nature of light, which can behave as both a wave and a particle. The mechanism involves the interference pattern that arises from the wave aspect of light, while the photoelectric effect illustrates its particle nature.
The effect is that these observations collectively support the concept of wave-particle duality, a fundamental principle in quantum physics.
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