Question
an electron in the second energy level absorbs a photon of energy 6 ev what's the speed of the ejected electron?
I have tried to manipulate and use the kinetic energy equation, c= lamba x f, and many other ways, but I don't know why can't get the answer, which is v= 8.38 x 10^5 m/s
I have tried to manipulate and use the kinetic energy equation, c= lamba x f, and many other ways, but I don't know why can't get the answer, which is v= 8.38 x 10^5 m/s