Light is incident on a pair of slits separated by a distance, d. A diffraction p

Question

Light is incident on a pair of slits separated by a distance, d.
A diffraction pattern is observed on a screen located a distance, L, from the slits.
What happens to the observed pattern if the wavelength of light is DECREASED? Why?

A) the separation of the fringes in the pattern increases.
B) the intensity (brightness) of the pattern decreases.
C) the intensity (brightness) of the pattern increases.
D) the separation between the fringes in the pattern decreases.
E) the width of the entire pattern increases.
F) the width of the entire pattern decreases.

Explanation / Answer

D) the separation between the fringes in the pattern decreases.

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