When laser light of wavelength 633.3nm passes through a diffraction grating. thef irst bright spots occur at +- 18.4 degree from the central maximum
Part A What is the line denisty in (lines/cm) of this grating
Part B How many additional pares of bright spots are there beyond the first bright spots
Part C At what angle do the second bright spots occur?
Part D At what angels do the third bright spot occur?