of its kinetic energy to its fest citib . An experiment shows that when electromagnetic radiation of wavelength 270 nm falls on an aluminum surface, photoelectrons are emitted. The most energetic...
When ultraviolet light with a wavelength of 400 nm falls on a certain metal surface, the maximum kinetic energy of the emitted photoelectrons is 1.10 eV .What is the maximum kinetic energy K0 of the photoelectrons when light of wavelength 310 nm falls on the same surface? Use h = 6.63×10−34 J⋅s for Planck's constant and c = 3.00×108 m/s for the speed of light and express your answer in electron volts.
When ultraviolet light with a wavelength of 400 nm falls on a certain metal surface, the maximum kinetic energy of the emitted photoelectrons is 1.10 eV . What is the maximum kinetic energy K0 of the photoelectrons when light of wavelength 340 nm falls on the same surface? Use h = 6.63×10^−34 J⋅s for Planck's constant and c = 3.00×10^8 m/s for the speed of light and express your answer in electron volts. K0= eV
(a) Photoelectrons with a maximum kinetic energy of 7.6eV are emitted from a metal when it is illuminated by ultraviolet radiation with a wavelength of 1.3×102 nm. (i) What is the energy of the incident photons in electronvolts? (ii) What is the wavelength of the radiation (in nanometres) corresponding to the lowest energy photons that can free electrons from the metal? (iii) How do you explain the fact that, when infrared radiation is shone on this metal, no photoelectrons are...
Constants Periodic Table When ultraviolet light with a wavelength of 400 nm falls on a certain metal surface, the maximum kinetic energy of the emitted photoelectrons is 1.10 eV Part A What is the maximum kinetic energy Ko of the photoelectrons when light of wavelength 330 nm falls on the same surface? Use h - 6.63x10-34 J-s for Planck's constant and c 3.00x10 m/s for the speed of light and express your answer in electron volts. View Available Hint(s) ΠΡΕΙ...
Electromagnetic radiation is incident on a metallic surface. Electrons are emitted from the surface when the wavelength is 450 nm or less. a) What is the work function of the metal? b) What is the maximum kinetic energy of photo-electrons if the incident light has a wavelength of 400 nm? c) What is the stopping voltage required to stop photo-electrons ejected by the plate when the incident light has a wavelength of 300 nm? d)If the stopping voltage is 5...
When UV light of wavelength 288 nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.66 eV What is the work function of the metal?
When UV light of wavelength 285 nm falls on a metal surface, themaximum kinetic energy of emitted electrons is 1.40 eV. What is thework function of the metal? eV
When UV light of wavelength 245 nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.40 eV . Part A What is the work function of the metal?
33.2 The electromagnetic radiation emitted from the Sun is most intense at around 502 nm. (a) What is the energy per photon (in J) for light of this wave- length? (b) What is the energy per photon in electron volts? (c) What is the momentum per photon? (d) How fast would an electron (melectron 9.1 x 1031 kg) need to be traveling to have the same momentum as this photon? (e) What would the de Broglie wavelength of such an...
When UV light of wavelength 189 nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.45 eV. What is the work function of the metal? Submit Answer Tries 0/15