An electron is in the n = 8 level of ionized helium. Find the shortest wavelength that can be emitted.
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A: Given Energy of electron in L-shell (E1) =72.2 KeV Energy of electron in M-shell (E2) =84.1 KeV
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A: SOlution: Given that m = 11.66 gms v =387 m/s
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A: Given : n = 5
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Q: ompare the wavelength for an electron (mass = 9.11 * 10-31 kg) traveling at a speed of 1.0 * 107…
A: Given: The mass of the electron is 9.11x10-31 kg. The speed of the electron is 1x107 m/s. The mass…
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A: The question is asking us to determine the kinetic energy of an electron in an electron microscope…
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A: Solution:
Q: What is the maximum photon wavelength that would free an electron in a hydrogen atom when it is in…
A: The energy in a hydrogen atom is given by: En=-21.8×10-19Jn2Z2 Z=1 En=-21.8×10-19n2
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A: longest wavelength means lowest energy transitions Transitions are-…
Q: Light with a frequency of 2.89×10152.89×1015 Hz ejects electrons from the surface of aluminum, which…
A: The expression for the de-Broglie wavelength,
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A: Given: The mean kinetic energy of electron is K=5.7 keV. The diameter of the nucleus is l=3.4 fm.…
Q: A so
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Q: You illuminate a pure sodium metal with a lamp with a given wavelength, 400.0nm. You measure the…
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Q: What is the energy of a Bohr hydrogen atom with a 5.18 nm diameter?
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Q: To resolve an object in an electron microscope, the wavelength of the electrons must be close to the…
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Q: At what velocity will an electron have a wavelength of 1.00 m?
A: Given that-Wavelength, λ= 1 mMass of electron, me= 9.11×10-31 kgWe know that-De-broglie wavelength,…
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Q: In an x-ray tube, electrons are accelerated through a large voltage and then slammed into a target.…
A: wavelength = 0.017 nm
Q: he allowed energies of a simple atom are 0.00 eV, 4.23 eV, 6.57 eV. What wavelengths appear in the…
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A: De Broglie's hypothesis states that any matter particles with a linear momentum can behave like a…
Q: hydrogen atom has its electron in the n = 3 level. The radius of the electron's orbit in the Bohr…
A: Mass of electron m = 9.1×10-31 kg Radius r = 0.476 nm = 0.476 × 10-9 m
Q: If the cutoff frequency of the lead metal is 9000 THz and the emitted photoelectrons have kinetic…
A: cutoff frequency (f) of lead metal= 9000 THz
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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: Consider an electron in a hydrogen atom, revolving in its second excited state (having radius 4.65…
A: The radius is given by r=4.65 Å
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Q: Compare the de Broglie wavelength of a bullet moving at 700 miles per hour (313 m/s) to that of an…
A: To solve the given question we need to use de Broglie wavelength formula: λ=hmv Where 'h' is the…
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Q: For the emission line spectrum of Hydrogen atoms, determine the shortest wavelength in the Lyman…
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Q: Assume electrons are accelerated through a potential difference of 25 000 V inside a TV picture…
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Q: a) The de Broglie wavelength of an electron is 2.33 nm. Use the Bohr model of the hydrogen atom to…
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Q: An x-ray is produced by electrons accelerated under a voltage of 11.6 kV. What is the shortest…
A: Given m=9.1×10-31 Kg (mass of electron)q=1.6×10-19 C (charge on electron)V=11.6 KV=11600 V…
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