Exam-style question
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In what way did Young's experiment contribute to the understanding of light?.
- A.It confirmed that light is made of particles.
- B.It showed that light can only travel in vacuum.
- C.It provided evidence for the wave theory of light.
- D.It established the concept of light speed.
Model answer
What a good answer should say
- It provided evidence for the wave theory of light.
Explanation
Why this works
Young's experiment contributed to the understanding of light by providing evidence for the wave theory of light. The observed interference patterns could not be explained by a purely particle model.
Although some may argue that the particle model still holds in certain contexts, the experiment's results significantly advanced the wave theory, reshaping the scientific perspective on light.
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