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AP® Physics 1 & 2

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Moderate

Wave Interference Colors!

APPH12-1HR@GP

Light waves are incident on a diffraction grating.

As the color of the light is changed from red to yellow to green to blue to violet, what is true about the pattern viewed on the screen?

Choose TWO answers.

A

The blue lines are located at a larger distance from the center maximum as compared to the red lines for the same order.

B

There is a central maximum for every color used.

C

The yellow lines are located at a larger distance from the center maximum as compared to the blue lines for the same order.

D

The intensity of the light on the screen increases with each higher order of the bands.