Exam-style question
Try this first
Explain how Newton's corpuscular theory of light accounts for the straight-line propagation of light.
Model answer
What a good answer should say
- Newton's corpuscular theory posits that light consists of particles (corpuscles) that travel in straight lines.
- This explains the observation that light travels in straight paths unless it encounters an obstacle, which aligns with the behavior of particles.
Explanation
Why this works
This answer is strong because it directly addresses how the corpuscular model explains a fundamental property of light, demonstrating an understanding of the theory's implications. It tests the student's ability to connect theoretical concepts with observable phenomena.
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