Asked by Anonymous
In a photoelectric effect experiment red light with a wavelength of 7.01 x 10^-7 m is able to emit an electron with a maximum kinetic energy of 1.02 x 10^-19. What is the binding energy of the electron?
Answers
Answered by
DrBob222
KE = hc/lambda - BE.
You are given KE of 1.02E-19 J
You are given lambda of 7.01E-7 m. You know the constants h and c. Solve for the BE (I call that this the work function). Post your work if you get stuck. The solution appears to be straight forward to me.
You are given KE of 1.02E-19 J
You are given lambda of 7.01E-7 m. You know the constants h and c. Solve for the BE (I call that this the work function). Post your work if you get stuck. The solution appears to be straight forward to me.
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