SAT Subject Physics Practice Question 446: Answer and Explanation

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Question: 446

7. The drawing represents the results in a Young's double slit interference pattern experiment.

Which letter represents the zeroth order fringe?

A. A
B. B
C. C
D. D
E. E

Correct Answer: B


The correct answer is (B). The zeroth fringe is the central bright spot where both waves from the two slits have traveled the same distance.

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