Exam-style question
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Explain when Newton's corpuscular theory and wave theory of light are applicable. Which theory is more suitable for explaining phenomena like diffraction?.
Model answer
What a good answer should say
- Newton's corpuscular theory is applicable in contexts where light behaves like particles, such as in the photoelectric effect.
- Wave theory is more suitable for explaining phenomena like diffraction, where light spreads out and creates interference patterns.
- Thus, wave theory is preferred for explaining diffraction effects.
Explanation
Why this works
This question assesses the ability to apply theoretical knowledge to specific phenomena. By explaining the contexts in which each theory is applicable, students show their understanding of the limitations and strengths of each model, concluding that wave theory is better for diffraction.
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