Exam-style question
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In a double-slit experiment, what is observed when light waves pass through the slits?.
- A.A single bright spot
- B.No light is observed
- C.An interference pattern of bright and dark fringes
- D.Light is absorbed by the slits
Model answer
What a good answer should say
- An interference pattern of bright and dark fringes
Explanation
Why this works
When light waves pass through two closely spaced slits, they interfere with each other, creating a pattern of alternating bright and dark fringes due to constructive and destructive interference.
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