Author Question: At what angle will the second order (m = 2) maximum occur for a wavelength of 450 nm using a ... (Read 71 times)

sheilaspns · **on:** Jul 28, 2018

At what angle will the second order (m = 2) maximum occur for a wavelength of 450 nm using a diffraction grating with 10,000 lines per cm?
a. 64
b. 27
c. 53
d. No second order maximum will occur in this case.

Question 2

A diffraction grating has 2500 lines/cm. What is the slit separation?
a. 4.0 mm
c. 400 nm
b. 250 nm
d. 2.5 mm