In a photoelectric effect experiment, photons whose energy is 4.73 × 10-19 J are absorbed by a metal, and the maximum kinetic energy of the resulting electrons is Ekinetic = 2.78 × 10-19 J. Calculate: (a) the binding energy of electrons in the metal. (b) the wavelength of the light. (c) the wavelength of the electrons.

The work function for indium is 4.12 eV. (a) Convert the value of the work function from electron volts to joules. J(b) Find the cutoff frequency for indium. Hz(c) What maximum wavelength of light incident on indium releases photoelectrons from the indium's surface? nm(d) If light of energy 8.64 eV is incident on indium, what is the maximum kinetic energy of the ejected photoelectrons? Give the answer in electron volts. eV(e) For photons of energy 8.64 eV, what stopping potential would be required to arrest the current of photoelectrons? V

In a Compton scattering experiment, an x-ray photon scatters through an angle of 17.0° from a free electron that is initially at rest. The electron recoils with a speed of 2,120 km/s. (a) Calculate the wavelength of the incident photon. 0.125 Your response differs from the correct answer by more than 10%. Double check your calculations. nm (b) Calculate the angle through which the electron scatters. 53.49 Your response differs from the correct answer by more than 10%. Double check your calculations.

In a Compton scattering experiment, an x-ray photon scatters through an angle of 12.2° from a free electron that is initially at rest. The electron recoils with a speed of 1,480 km/s. (a) Calculate the wavelength of the incident photon. 0.144 Your response differs from the correct answer by more than 10%. Double check your calculations. nm (b) Calculate the angle through which the electron scatters.