The kinetic energy of a photoelectron emitted by shining light of wavelength 6.2 x 10-6 m onto a metal surface with a work function of 0.1 eV is * 0.01 eV 0.02 eV 0.1 eV 1 eV
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Q: Which type of light has the most energy per photon? ultraviolet infrared green visible X-ray
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Q: What is the maximum speed (in km/s) of a photoelectron emitted from a surface whose work function is…
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Q: Ultraviolet light of wavelength 4.00 x 10-8 m shines on a metal surface, releasing photoelectrons…
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Q: A photoelectric surface is illuminated with monochromatic light with a wavelength of 398 nm. What…
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Q: What is the maximum speed of the ejected photoelectrons? The work function of platinum is 6.35 eV.
A: Given data: The wavelength of light is: λ = 145 nm The Planck’s constant is: h = 6.626×10-34 J.s The…
Q: from a metal that has a work function of 1.80 eV? 690 nm 564 nm 555 nm 123 nm 4.35 X 10^14 m
A: Given Work function of metal W = 1.80 eV To find Longest wavelength of light that can cause…
Q: A potassium surface is illuminated by a monochromatic laser light with a wavelength of 400 nm.…
A: Given Wavelength of the light is λ=400 nm=400×10-9 m Work function of potassium is φ=2.30…
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A: part(a) Determine if this metal exhibit the photoelectric effect. Explain your reasoning. Part(b)…
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Q: In a photoelectric effect experiment, electrons emerge from a copper surface with a maximum kinetic…
A: K=1.10 eVW=4.65 eV
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Q: A metal surface is illuminated by light with a wavelength of 550 nmnm . The maximum kinetic energy…
A: We have maximum kinetic energy of emmited photons is given by KEmax=hυ−hυ0=hυ−Φ0work function of…
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A: Given: The energy of the photon is 4 eV. The maximum kinetic energy of the electron is 2 eV.
Q: When a certain metal is illuminated by light, photoelectrons are observed provided that the…
A: h = 6.626 × 10-34 J ∙ s,c = 3.00 × 108 m/s,1 eV = 1.60 × 10-19 J
Q: The energy conservation principle that applies to the photoelectric experiment is Ephoton =…
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Q: A photoelectron is ejected from a metal via the photoelectric effect. A closer look reveals it is…
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Q: Photoelectric effect: Light of wavelength 400 nm falls on a metal surface having a work function…
A: The maximum kinetic energy of the photoelectrons emitted from the metal surface due to the…
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A: Answer :- (C)
Q: A potassium surface is illuminated by a monochromatic laser light with a wavelength of 400 nm.…
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Q: A 519 nm laser emits 2.41 x 1019 photons per second, how much total energy (in J) would this…
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Q: he work function of lithium is W0 = 2.93 eV. (a) What is the maximum wavelength of incident light…
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- When ultraviolet light with a wavelength of 400.0 nm falls on a certain metal surface, the maximum kinetic energy of the emitted photoelectrons is measured to be 1.10 eV. (a) What is the work function of the metal surface? (b) What is the maximum kinetic energy of the photoelectrons when light of wavelength 300.0 nm falls on the same surface?Considering the photoelectric effect, if a liberated photoelectron has a maximum kinetic energy of 0.211 eV when light with a wavelength of 450 nm is being used, what is the work function of the material measured in eV? 1 eV = 1.602 x 10-19 JA monochromatic light source illuminates the surface of metal X. The maximum kinetic energy of electrons leaving the surface of the metal is shown in the graph above.An ammeter is connected to the standard photoelectric effect circuit to measure the photoelectric current arising from the electrons moving between the cathode and anode of the vacuum tube containing the illuminated sample. The current is found to be 12.4mA when the metal is illuminated with a wavelength of 184.2nm.What is the energy (eV) of the photons striking metal X?
- The work function of caesium metal is 2.14 eV. When light of frequency 6 x 1014 Hz is incident on the metal surface, photoemission of electrons occurs. What is the maximum kinetic energy of the emitted electrons,Photons of wavelength 248.6 nm strike a metal whose work function is 3.5 eV. What is the KE of the most energetic photoelectron? a) 1.5 eV b) 2.5 eV c) 3.5 eV d) none of these.When a certain metal is illuminated by light, photoelectrons are observed, provided that the wavelength of the light is less than 669 nm. Which one of the following values is closest to the work function of this metal? O 2.2 eV 2.0 eV 1.9 eV 2.3 eV
- A fuel-efficient car is able to convert the chemical potential energy of gasoline into translational kinetic energy at an efficiency of 78.4%. If there is 8742 kJ of chemical potential energy in one tank of gas, what is the amount of translational kinetic energy produced. How to manipulate formula eff=output/input x 100Tantalum has a work function of 4.2 eV. The most energetic photoelectron has KE of 2.12 eV. What is the wavelength of the incoming photons? a) 586 nm b) 197 nm c) 296 nm d) none of these.