Consider a clean sheet of barium metal with threshold frequency 6.07 x 1014 Hz illuminated by a light source. If the kinetic energy of ejected electrons is 1.31 x 10-18J, what is the wavelength (in nm) of the incident light?
NEED HELP WRITING YOUR PAPER?
PLACE AN ORDER WITH US TODAY AND ENJOY A 10% DISCOUNT. USE DISCOUNT CODE: Disc10