Page 1 of 1

need help asap

Posted: Sun May 22, 2022 10:14 pm
by answerhappygod
need help asap
Need Help Asap 1
Need Help Asap 1 (12.4 KiB) Viewed 12 times
An electron relaxes from n-4 (-1.60 x 10-18 J) to n=2 (-2.20 x 10-18 J). What is the wavelength of the photon that is emitted (in nm)? (Round to three significant figures.)