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The middle of the first-order maximum, adjacent to the central bright fringe in a double-slit experiment, corresponds to a point where the optical path length difference from the two slits is equal to:
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The middle of the first-order maximum, adjacent to the central bright fringe in a double-slit experiment, corresponds to a point where the optical path length difference from the two slits is equal to:

a) 0.
b) undefined.
c) one wavelength.
d) 1/2 wavelength.
e) 1/4 wavelength.

User AmineG
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1 Answer

5 votes

Answer: C

one wavelength

Step-by-step explanation:

The bright spots are as a result of constructive interference, which occurs when the path length differs by multiples of one wavelength. The first order maximum varies by exactly one wavelength.

User Andrei Sedoi
by
3.6k points
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