A Red Laser Pointer Is Shined on a Diffraction Grating,producing

A red laser pointer is shined on a diffraction grating,producing a series of bright spots on a screen behind the diffraction grating.If the red laser pointer is replaced with a green laser pointer and everything else remains the same,will the green bright spots on the screen be closer together or farther apart than the red bright spots were?

A) They will be closer together.
B) They will be farther apart.
C) They will appear in the same places as the red bright spots.

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