Exam-style question
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Describe how the double-slit experiment demonstrates the wave nature of light.
Model answer
What a good answer should say
- The double-slit experiment shows that when light passes through two closely spaced slits, it creates an interference pattern on a screen, which is characteristic of waves.
- This pattern arises because light waves from the two slits overlap and interfere with each other, leading to regions of constructive and destructive interference.
Explanation
Why this works
This answer effectively describes the experimental setup and the resulting interference pattern, highlighting the wave nature of light. The question assesses the ability to explain a key experiment in physics that supports wave theory, demonstrating a clear understanding of the concept.
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