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AP® Physics 1 & 2

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Decrease Band Spacing in Pattern

APPH12-8E18R8

Light of a certain wavelength falls upon two closely-spaced slits and forms a diffraction pattern on a screen.

Which one of the following changes would lead to a decrease in the spacing between bands in the diffraction pattern?

A

Increase distance from the slits to the screen.

B

Shift the color of the light toward red.

C

Increase the intensity of the light.

D

Increase distance between the slits.