The absorption spectrum of sodium has a line at 589 nm. What

Last updated: 7/31/2022

The absorption spectrum of sodium has a line at 589 nm. What is the energy of this line? (The speed of light in a vacuum is 3.00 x 10^8 m/s, and Planck's constant is 6.626 x 10^-34 J.s.) A. 3.37 10^-19 J B. 2.96 10^18 J C. 8.89 x 10^26 J D. 5.09 x 10^14 J