Question

Monochromatic light of wavelength 550 nm passes through a diffraction grating that has 55000 lines/m. A bright line appears on the screen at an angle of 12.23o from the central bright fringe. What is the order of this bright line?
Choose one answer.
a. 5
b. 6
c. 7
d. 8

Answer 1

noooob

Answer 2

i dont think youre a noob :)

Answer 3

bruh that was a post from 2012 u answer it in 2018?