Exam-style question
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Which of the following factors does NOT affect the fringe spacing in Young's double-slit experiment?.
- A.Wavelength of light used
- B.Distance between the slits
- C.Distance to the screen
- D.Color of the screen
Model answer
What a good answer should say
- Color of the screen
Explanation
Why this works
The fringe spacing is influenced by the wavelength of light, the distance between the slits, and the distance to the screen, but the color of the screen does not affect the fringe spacing.
Common mistake
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