What are the maximum electron speed and the stopping potential if sodium is illuminated with light of wavelength 300 nm?

Q: A laser produces light of wavelength 586 nm in an ultrashort pulse. What is the minimum duration of…

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Q: A metal surface is illuminated by light with a wavelength of 350 nm. The maximum kinetic energy of…

A: given that wavelength  is 350 nm and maximum kinetic energy of the emitted electrons is 1.50 eV.…

Q: Electrons are ejected from a metal surface with the speeds ranging up to v=4.6x10° m/s when light…

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Q: An electron is accelerated from rest through a potential difference so that the de broglie…

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Q: Tellurium has a work function of 4.95 eV. What is the minimum frequency of light needed to eject…

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Q: What is the wavelenght (in nm) of a 340 KeV photon

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Q: I have a physocs question as follows : Photons of wavelength 140 nm are incident on a metal. The…

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Q: A laser produces light of wavelength 665 nm in an ultrashort pulse. What is the minimum duration of…

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Q: spectral emissión line of sodium is 590 nm. At what kinetic e wavelength as its de Broglie…

A: GivenWavelength of the yellow spectral emission line of sodium, λ=590 nm

Q: What voltage is needed to produce electron wavelengthsof 0.26 nm? (Assume that the electrons are…

A: The de Broglie wavelength λ of the electron is given by the following equation.   Here, h is the…

Q: The Paschen series is analogous to the Balmer series, but with m = 3. Calculate the wavelengths of…

A: Concept:

Q: When ultraviolet light with a wavelength of 400.0 nm falls on a certain metal surface, the maximum…

A: When light of particular wavelength incident on metal surface, it will eject electrons from metal…

Q: An electron microscope passes 1.00-pm-wavelength electrons through a circular aperture 2.00 µm in…

A: Wavelength is λ=1.00 pm= 1.00×10-12 m Diameter of the circular aperture is, D = 2.00 μm=2.00×10-6 m…

Q: Monochromatic light from a laser shines onto a gold surface and produces photoelectrons with maximum…

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Q: Electron microscopy is a technique that uses the wavelike properties of high-speed electrons to…

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Q: Microscopes are inherently limited in resolution by the wavelength they use. How much smaller detail…

A: The de-Broglie wavelength equation is given by, Here, h and p represent the Planck’s constant and…

Q: Monochromatic light from a laser shines onto a gold surface and produces photoelectrons with maximum…

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Q: Two adjacent allowed energies of an electron in a one-dimensional box are 2.0 eV and 4.5 eV. What is…

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Q: If we have a tungsten anode (work function f Φ 4.63 eV) and electron acceleration voltage of 35 kV,…

A: Introduction: The wavelength associated with the X-rays are de-Broglie wavelength. Given data,…

Q: Electrons are emitted when a metal is illuminated by light with a wavelength less than 388 nm but…

A: ϕ=hcλ

Q: Light of wavelength 477 nm is incident on the surfaces of several different metals. For which value…

A: Wavelength of the light is 477 nm

Q: In a certain metal, the stopping potential is found to be 3.70 V.   When 235 nm light is incident on…

A: Given, stopping potential V0=3.70Vwavelength λ=235 nm

Q: When light of wavelength 440 nm strikes a metallic surface, electrons are released from the surface…

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Q: A metal has a work function of 4.14 eV. (a). Find the cutoff frequency for the photoelectric effect.…

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Q: The work function of a certain metal is found to be 1.82 eV. What is the stopping potential required…

A: Data Given,  Work function of the metal ( ϕ ) = 1.82 eV  Wavelength of the incident light ( λ ) =…

Q: Monochromatic light from a laser shines onto a gold surface and produces photoelectrons with maximum…

A: Answer               144.2 nm

Q: An electron and a 0.020 0 - kg bullet each have a velocity of magnitude 5.00x 102 m/s, accurate to…

A: According to the Heisenberg uncertainty principle,

Q: Electrons in a photoelectric-effect experiment emerge from an aluminum surface with a maximum KE…

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Q: Violet light of wavelength 360 nm ejects electrons with a maximum kinetic energy of 0.89 eV from a…

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Q: A laser produces light of wavelength 725 nm in an ultrashort pulse. What is the minimum duration of…

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Q: The work function of a certain metal is found to be 1.82 ev. What is the stopping potential required…

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Q: i) Find the de Broglie wavelengths of a) an electron (m, = 9.1 x 10-31 kg) accelerated through a…

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Q: An electron microscope passes 1.00-pm-wavelength electrons through a circular aperture 2.00 μm in…

A: Given:  Wavelength = 1 pm = 1 x 10-12 m  diameter of aperture, d = 2 micrometer = 2 x 10-6 m

Q: Light with wavelength i = 610 nm is incident on a metallic surface. Electrons are ejected from the…

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Q: The work function of each Lithium and Beryllium and Mercury is 2.3eV,3.9eV,4.5eV. If light with…

A: Given data The work function of lithium is ϕL=2.3 eV The work function of beryllium is ϕB=3.9 eV The…

Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?