A surface of zinc is illuminated and photoelectrons are observed. What is the largest wavelength that will cause photoelectrons to be emitted?

Q: When the light of wavelength 250 nm is incident on a metal surface, the maximum speed of the…

A: Using Einstein's photoelectric equation : E = W + Kmax hv = W + 12m vmax2W =hθ  -  12m vmax2W =hcλ…

Q: A clean nickel surface is exposed to light of wavelength 235 nm. What is the maximum speed of the…

A: Ephoton=ϕ0+Ekinetichcλ=ϕ0+EkineticEkinetic=hcλ-ϕ0=1240 eV·nm235 nm-5.1 eV=0.177 eV

Q: You illuminate a metal with light of wavelength 640 nm and find that the photoelectrons have a…

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Q: By Amax Oi the pi LL alls on the same surface?

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Q: A photon has a wavelength of 50 nm. What is the de Broglie wavelength of an electron that has the…

A: Given wavelength=50 nm

Q: Red light of wavelength 672 nm produces photoelectrons from a certain photoemissive material. Green…

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Q: What is the wavelength (in nm) of a photon with momentum 1.93 x 1027 kg m/ s?

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Q: A 2.0 - kg object falls from a height of 5.0 m to the ground. If the change in the object’s kinetic…

A: Calculating the number of photons required:

Q: What is the de Broglie wavelength of a electron that is moving at 8.77 x 105 m/s? Please give your…

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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: n atom has a work function of 0.5eV. What is the maximum kinetic energy of the photoelectrons if the…

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Q: The photoelectric cut-off voltage in a certain experiment is 1.5 V. What is the maximum kinetic…

A: Photoelectric cut-off voltage, Vo = 1.5 V

Q: Light that has a 199-nm wavelength strikes a metal surface, and photoelectrons are produced moving…

A: Einstein's Photoelectric equation                               hν =ϕ0 + 12mV2hcλ =ϕ0 + 12mV2 Where…

Q: A proton is moving with a speed of v = 1.20 x 10° m/s. What is its de Broglie wavelength (in m)?…

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Q: What is the greatest wavelength of light that will cause the emission of photoelectrons from sodium.…

A: Concept used: Photoelectric effect is the process of ejecting out electrons from surface of metal.…

Q: What is the wavelength in nm of a photon that has a momentum of 4.5*10^-27 kg.m/s

A: Momentum of the photon,  Planck's constant,    The momentum of the photon is given by the expression…

Q: Photoelectrons from a material whose work function is 2.27 eV are ejected by 502 nm photons. Once…

A: Given Data :Work Function of the material φ = 2.27 eVwavelength of incident photon λ =  502 nmmass…

Q: . X-rays generated by an X-ray tube are scattered from crystal planes with a separation of d = 1.26…

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

A: The photoelectric equation is given as, Here, E =hc/λ denotes the energy of the incident light, W…

Q: An x-ray source generates EM radiation with a wavelength of 45.0 pm (10-12 m). h =       c =…

A: Photon energy is given by : E =hcλ = 1.98644586×10-2545x10-12 = 4.413x10-15 J Potential difference:…

Q: A particular metal is illuminated by UV photons of wavelength 210 nm, and electrons up to 1.25 eV…

A: Photoelectrons are ejected by metals when the light of a suitable wavelength falls on them. The…

Q: A clean nickel surface is exposed to light of wavelength 235 nm. What is the maximum speed of the…

A: Given data λ=235 nm

Q: The cut-off potential for photoelectrons emitted by a surface hit by wavelength light of 4910…

A: The cut off potential is the applied reverse potential such that the photocurrent is 0. From…

Q: A photoelectric experiment has a work function = 6.35 eV. The minimum cutoff frequency is 1.53E15…

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Q: A surface has a work function 1.70 eV and has light of wavelength 400 nm shone on it. What is the…

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Q: Explain why photoelectrons emitted in the photoelectric effect have a maximum kinetic energy.  Show…

A: In the photoelectric effect, the light falling on a metal surface results in the ejection of…

Q: What is the maximum wavelength of incident light that can produce photoelectrons from silver ( Φ…

A: Given data ϕ=4.64 eV

Q: A metal surface is illuminated with light of different wavelengths and the corresponding stopping…

A: Wavelengths: λ1=5581 Angstrom λ1=6156 Angstrom λ1=6371 Angstrom   Stoping potentials: V1=1.05 V…

Q: Photons that have a wavelength of 0.00226 nm are Compton scattered off stationary electrons at 33.0…

A: Given that -  Wavelength of the photon  angle To Find - We have to determine the energy of the…