Exam-style question
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Which observation cannot be explained by a purely particle model of light?.
- A.Light travels in straight lines.
- B.Light can be reflected.
- C.Light exhibits interference patterns.
- D.Light can be refracted.
Model answer
What a good answer should say
- Light exhibits interference patterns.
Explanation
Why this works
Interference patterns, such as those seen in Young's double-slit experiment, demonstrate wave behavior, which cannot be explained by a purely particle model of light.
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