A diffraction grating has lines per centimeter. At what angle will the first-order maximum be for 520-nm-wavelength green light?
Light of wavelength 470 nm is incident on a diffraction grating. The first-order maximum of the diffraction pattern produced occurs at an angle of . How many lines per cm are there on the diffraction grating?
Structures on a bird feather act like a reflection grating having lines per centimeter. What is the angle of the first-order maximum for 600-nm light incident on these structures?