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Compute Planck's constant knowing the work function (phi = 4ev), wavelength of light (lambda = 180nm)...
Based on this information, how can I calculate (a) the work function (phi), (b) the value...
Based on this information, how can I calculate (a) the work
function (phi), (b) the value of Planck's constant and (c) the
maximum wavelength, in nm, for the photoelectric effect to
manifest?
Wavelength (nm) 275 KE (J*1019) 3.403 2.819 300 1/Wavelenth (nm-1) 0.003636364 0.003333333 0.003076923 0.002857143 0.002666667 325 2.225 350 1.83 375 1.41 400 0.0025 1.121 4 3.5 3 y=2031.8x-3.9847 R=0.9989 2.5 KE(J*1019) 2. 1.5 1 1 0.5 0 0 0.0005 0.001 0.003 0.0035 0.004 0.0015 0.002 0.0025 1/Wavelength (nm-1)...
A photon hits a metal surface with known work function φ. Due to the photo-electric effect,...
A photon hits a metal surface with known work function φ. Due to the photo-electric effect, an electron with mass me is ejected from the metal surface. The ejected electron has a wavelength e. Further, you may assume Planck's constant h and the velocity of light c to be known Express the wavelength of the photon ,h in terms of the quantities specified above. [10 pts]
When ultraviolet light with a wavelength of 400 nmfalls on a certain metal surface, the maximum...
When ultraviolet light with a wavelength of 400 nmfalls 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 270 nmfalls on the same surface? Use h = 6.63×10?34J?s for Planck's constant and c = 3.00×108m/s for the speed of light and express your answer in electron volts. Thank you
When ultraviolet light with a wavelength of 400 nm falls on a certain metal surface, the...
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...
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
When sodium metal is illuminated with light of wavelength 420nm, the kinetic energy of the electrons...
When sodium metal is illuminated with light of wavelength 420nm, the kinetic energy of the electrons emitted are found to be 1.04x10-19J. When it is illuminated with a 310 nm wavelength of light, the kinetic energy is 2.704x10-19J. Calculate the value of Planck's constant and find the work function of sodium
A surface of work function 2.2 eV is illuminated with ultra-violet light of wavelength lambda =...
A surface of work function 2.2 eV is illuminated with ultra-violet light of wavelength lambda = 270 nm. When a detector plate is held at a voltage V_p = +12.6 volts with respect to the surface, a current between the surface and the detector plate is observed. A current will also flow for which ONE of the following conditions on V_p? -2.4 < V_p volts V_p < -2.2 volts V_p < -3.2 volts -5.4 < V_p < -2.2 volts V_p...
Constants Periodic Table When ultraviolet light with a wavelength of 400 nm falls on a certain...
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...
Constants Periodic Table The work function of a surface is 5.0x10-19 J Part A the surface?...
Constants Periodic Table The work function of a surface is 5.0x10-19 J Part A the surface? If light of wavelength of 230 um is incident on the surface, what is the maxirrur kinetic energy of the photoelectronis ejected Express your answer using two significant figures. ΤΙ ΑΣφ th 2 Submit Request Answer Provide Feedback Next > Item 6 < Constants Perl When ultraviolet light with a wavelength of 400 fun falls on a certain metal surface, the maximum kinetic energy...
The work function for lithium is 300 kJ/mole. What is the wavelength of light that will...
The work function for lithium is 300 kJ/mole. What is the wavelength of light that will remove an electron from an atom in lithium metal so that it has an ejected energy of 0.5 eV once free of the lithium atom?
Based on this information, how can I calculate (a) the work
function (phi), (b) the value of Planck's constant and (c) the
maximum wavelength, in nm, for the photoelectric effect to
manifest?
Wavelength (nm) 275 KE (J*1019) 3.403 2.819 300 1/Wavelenth (nm-1) 0.003636364 0.003333333 0.003076923 0.002857143 0.002666667 325 2.225 350 1.83 375 1.41 400 0.0025 1.121 4 3.5 3 y=2031.8x-3.9847 R=0.9989 2.5 KE(J*1019) 2. 1.5 1 1 0.5 0 0 0.0005 0.001 0.003 0.0035 0.004 0.0015 0.002 0.0025 1/Wavelength (nm-1)...
A photon hits a metal surface with known work function φ. Due to the photo-electric effect, an electron with mass me is ejected from the metal surface. The ejected electron has a wavelength e. Further, you may assume Planck's constant h and the velocity of light c to be known Express the wavelength of the photon ,h in terms of the quantities specified above. [10 pts]
A surface of work function 2.2 eV is illuminated with ultra-violet light of wavelength lambda = 270 nm. When a detector plate is held at a voltage V_p = +12.6 volts with respect to the surface, a current between the surface and the detector plate is observed. A current will also flow for which ONE of the following conditions on V_p? -2.4 < V_p volts V_p < -2.2 volts V_p < -3.2 volts -5.4 < V_p < -2.2 volts V_p...
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...
Constants Periodic Table The work function of a surface is 5.0x10-19 J Part A the surface? If light of wavelength of 230 um is incident on the surface, what is the maxirrur kinetic energy of the photoelectronis ejected Express your answer using two significant figures. ΤΙ ΑΣφ th 2 Submit Request Answer Provide Feedback Next > Item 6 < Constants Perl When ultraviolet light with a wavelength of 400 fun falls on a certain metal surface, the maximum kinetic energy...
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