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Moderate

Diffraction Grating Wavelength

SATPHY-10LNTK

White light strikes a diffraction grating which has 4,120 slits per centimeter. A certain color of light creates a first order bright fringe at an angle of $14.0^{\circ}$ from straight ahead.

What is the wavelength of this light?

A

587 nm

B

985 nm

C

17,030 nm

D

170.3 nm

E

436 nm