Question:
A 4500 lines/cm grating is illuminated by a single
Last updated: 7/6/2022
A 4500 lines/cm grating is illuminated by a single wavelength laser. What is the wavelength of this laser if the location of the second order maximum is at an angle of 42° with respect to the central maxima A. 370 nm B. 430 nm C. 580 nm D. 740 nm