1. What is the corresponding energy of the line with the longest wavelength in the Lyman series?
Q: 7. Radiation emitted from an X-ray tube has a minimum wavelength of 0.142Å. At what potential is the…
A: The minimum wavelength of X-Ray is λ = 0.142 Ao = 0.142 x 10-10 m Let V denote the potential at…
Q: A hydrogen atom initially in the ground level absorbs a photon, which excites it to the n=4 level.…
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Q: 2. What do you think is the speed of the electron revolving around the nucleus of the hydrogen in…
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Q: 16). How much energy is generated when a frequency of 8.32 e 14 Hz is created in an electron loss.
A: We know, E=hf
Q: Through what potential difference must electrons be accelerated if they are to have (a) thesame…
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Q: atom initially in the ground level absorbs which excites it to the n=4 level. the wavelength and…
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Q: 1. The uncertainty in the position of an electron, in the atom is approximately 1.5 Å. Find…
A: According to the Heisenberg uncertainty principle ∆x∆p≥h4π where ∆x =…
Q: For a pair of electrons in the 2p state, what is the difference between the number of possible pairs…
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Q: 8. What is the minimum X-ray wavelength produced in bremsstrahlung by electrons that have been…
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Q: 2. The Paschen series of emission lines in the H atom spectrum are defined as those for which n₂ = 3…
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Q: 4. In the hydrogen spectrum, the series of lines called the Lyman series results from transitions to…
A: Given : Shortest energy level, n1 = 1 Here we want to find shortest wavelength in this Lyman…
Q: 42. Describe the Lyman, Ballmer and Paschen series
A: When an electron is excited to an outer orbit, it try to get to its old or lower orbits. Therefore…
Q: A laser with power output of 2.0mW at a wavelength of 400nm is projected onto a calcium metal. The…
A: The number of electrons ejected per second can be obtained as
Q: heory of electron diffraction ragg wavelength starting from each ring.
A: The phenomenon which results from interaction between crystalline materials and electrons. It…
Q: 24. The Lyman series of the hydrogen spectrum can be represented by the equation -= 32881 x 10"s(-)…
A: Given: The Lyman series is given as, v=3.2881×1015 s-1 112-1n2
Q: Electrons of energies 10.2eV and 12.09 eV can cause radiation to be hydrogen atoms. Calculate in…
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Q: 19. What is the corresponding energy of the line with the longest wavelength in the Lyman series?
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Q: 2. An electron is contained in a one-dimensional box of width 0.100 nm. Find the wavelengths of all…
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Q: What if Rutherford had not known about Thomson’s work?
A: Thomson's idea after his experiments was that there positive charges surrounding the negatively…
Q: . A laser gives off a monochromatic ultraviolet light with a wavelength of 344 nm. What is the…
A: Given data :- wavelength λ = 344 nm
Q: 46. The de Broglie wavelength of neutrons in thermal equilibrium is (given m = 1.6 × 10-27 kg) (1)…
A: Given data, Mass of neutrons m=1.6×10-27 kg. Boltzmann constant k=1.38×10-23 kgs-2K-1
Q: 4. The critical potential of hydrogen is 13.05 eV. Calculate the wavelength of the radiations…
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Q: visible portion
A: Formula for wavelength of spectral lines is 1/λ=R(1/ n12−1/n22) Where λ = wavelength of spectral…
Q: 3. The wavelength of the La X-rays line of Platinium (Z=78) is 1.321 Å. An unknown element emits L.…
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Q: If the Hydrogen atom haş a quantum number of 3, solve for the energy and radius.
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Q: 4. The radius of a Uranium-238 nucleus is approximately 7.8 × 10-15 m. Using Heisenberg's…
A: Given Data:Radius of U92238 nucleus (r) = 7.8×10-15 m. If the alpha particle is localized within…
Q: 3. Use the Rydberg formula to obtain the wavelength of the 80a radio line for an atom of infinite…
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Q: An atom in an excited state temporarily stores energy. If the lifetime of this excited state is…
A: The uncertainty principle puts a limit on the accuracy of certain fundamental quantities like…
Q: hydrogen atom initially in the ground level abso photon, which excites it to the n=4 lev il…
A: Wavelength can be defined as the distance between two successive crests or troughs of a wave. Here,…
Q: 3. The energy of the n = 4 Bohr orbit is -0.85 ev for an unidentified ionized atom in which only one…
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Q: 4. An electron in the n = 2 state of hydrogen is excited by absorbing the longest possible…
A: Given, Electron in the n = 2 state of hydrogen is excited by absorbing the longest possible…
Q: i. Photocathodes, think about the bond energy, or energy needed to move an electron from an atom,…
A: We will use formula to calculate energy of elctron in any energy level and in n=infinity as well.
Q: 4. Using the Bohr model and neglecting interactions between the electrons, the allowed energy levels…
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Q: At what velocity will an electron have a wavelength of 1.00 m?
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Q: . If a particle is in a box with a ground state energy of 4 eV, what energy must be absorbed by the…
A: A particle in a one-dimensional box is a simple model in quantum mechanics used to understand the…
Q: Imagine that we want to use an electron gun to prepare an electron beam with a wavelength of 1.0 nm.…
A: Energy gained when subjected to voltage, V is given as E = eVSo wavelength will be
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