A photon of wavelength 6.98 pm scatters at an angle of 152° from an initially stationary, unbound electron. What is the de Broglie wavelength of the electron after the photon has been scattered? de Broglie wavelength: pm
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- Light of wavelength 340 nm, 600 nm and 680 nm is incident on a metal. Electrons are not emitted from the metal, which of the following is the most likely scenario. The energy of the photon for 600 nm light corresponds to the work function of the material. The energy of the photon for 680 nm light corresponds to the work function of the material. The work function is less than any of these photon energies. The work function is more than any of these photon energies. The energy of the photon for 340 nm light corresponds to the work function of the material.Help with a iv, b and cA light source of wavelength λ illuminates a metal and ejects photo electrons with a maximum kinetic energy of 0.67 eV. A second light source with half the wavelength of the first ejects photoelectrons with a maximum kinetic energy of 3.3 eV. What is the work function of the metal? Answer in units of eV.
- You use 0.124 nm x-ray photons in a Compton-scattering experiment. At what angle is the wavelength of the scattered x rays 1.0% longer than that of the incident x rays? 70.6° 67.0° 60.7° 56.5°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?A photon has an energy E and wavelength l before scattering from a free electron. After scattering through a 135° angle, the photon’s wavelength has increased by 10.0%. Find the initial wavelength and energy of the photon.
- Light with wavelength ? = 635 nm is incident on a metallic surface. Electrons are ejected from the surface. The maximum speed of these electrons is v = 4.40 ✕ 105 m/s. a) What is the work function of the metal (in eV)? b) What is the cutoff frequency for this metal (in Hz)?An isolated atom of certain element emits light of wavelength 529 nm when the atom falls from its sixth excited state into its third excited state. The atom emits a photon of wavelength 422 nm when it drops from its seventh excited state into its third excited state. frind wavelength of the light radiated when the atom makes a transition from its seventh to its sixth excited state, in um. a. 21 b. 2.09 c. 2086.34 d 0.0209 e. 208. 63A particle of matter is moving with a kinetic energy of 7.53 eV. Its de Broglie wavelength is 2.85 x 10^-12 m. What is the mass of the particle?