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A-LevelPhysicsSuperposition9702/12 · Feb/Mar 2020 · Q281 Mark

The table shows four possible combinations of values for the laser wavelength, slit separation and slit-screen distance in a two-slit interference experiment to show the interference of visible light on a white screen. Which combination will result in visible fringes being observed?

A200 0.10 5.0
B200 100 1.0
C600 0.10 5.0
D600 100 1.0

✓ Correct answer

C: 600 0.10 5.0

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About this question

Topic
Superposition, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source
A-Level Physics, Feb/Mar 2020 Paper 1 Variant 2, question 28.

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