light from a discharge tube containing a particular gas illuminates a diffraction grating and is observed on a screen 75
Posted: Sun Jul 17, 2022 7:59 pm
light from a discharge tube containing a particular gasilluminates a diffraction grating and is observed on a screen75.0cm behind the grating. The emission at wavelength 621nm createsa first-order bright fringe 38.0 cm from the central maximum. Whatis the wavelength of the bright fringe that is 47.3cm from thecentral maximum?