Calculate the momentum of a 4.10 x 10^2 nm photon of violet light.

The wavelength corresponding to the cut-off frequency of silver is 325 nm.Determine the maximum kinetic energy of electrons ejected from a silver plate illuminated by ultraviolet light with a wavelength of 254 nm.

X-ray photons of wavelength 0.0248 nm are incident on a target and the Compton-scattered photons are observed at 80.0° above the photons' incident line of travel. [Use relativistic units for this problem!] (a) What is the wavelength of the scattered photons?  nm (b) What is the momentum of the incident photons? eV/c What is the momentum of the scattered photons? eV/c (c) What is the kinetic energy of the scattered electrons? eV (d) What is the momentum (magnitude and angle) of the scattered electrons? eV/c

When light of wavelength 250nm is incident on a metal surface,the maximum speed of the photoelectrons is 4.0 x 10^5 metres per second.What is the work function of the metal in electron volts?

A) After a 0.790 nm x-ray photon scatters from a free electron, the electron recoils with a speed equal to 1.59E+6 m/s. What was the Compton shift in the photon's wavelength?   B) Through what angle was the photon scattered?

Blue light of wavelength 475 nm is used in a photoelectric effect experiment that involves directing the light source at beryllium that has a work function of 8.0x10^-19  J. Determine if any electrons are emitted, and if they are, determine their maximum kinetic energy.

A photon with wavelength l = 0.1050 nm is incident on an electron that is initially at rest. If the photon scatters at an angle of 60.0 from its original direction, what are the magnitude and direction of the linear momentum of the electron just after it collides with the photon?

X-ray photons of wavelength 0.0248 nm are incident on a target and the Compton-scattered photons are observed at 80.0° above the photons' incident line of travel. [Use relativistic units for this problem!](a) What is the momentum of the incident photons? eV/c(b) What is the momentum (magnitude and angle) of the scattered electrons? eV/c°magnitude=61802.35 angel=?

Calculate the de Broglie wavelength of a proton moving at 3.09 ✕ 104 m/s and 2.28 ✕ 108 m/s. (a) 3.09 ✕ 104 m/s (b) 2.28 ✕ 108 m/s

Calculate the energy of a photon of wavelength 600 nm (or 600 x 10-9 m).