Basic chem

December 21, 2019

Basic chem

Basic chem 1. The work function of potassium is 3.68 x 10-­‐19 J. a. What is the minimum frequency of light needed to eject electrons from the metal? b. Calculate the kinetic energy of the ejected electrons when light of frequency equal to 8.62 x 1014 s-­‐1 is used for […]