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?

Question

Quizplus · Accepted Answer

The spacing of the bright spots in a diffraction pattern depends on the wavelength of the light. Green light has a shorter wavelength than red light, so the green bright spots will be closer together.

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