Knowing that the minimum x-ray wavelength produced by 40.0 keV electrons striking a target is 31.1 pm, determine the Planck constant h.
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A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…
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A: Given data: λmin = 0.130 Å = 0.310×1010 m λmin = 0.310×1010 m V = 40 kV = 40×103V c =…
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Q: A Ka x ray emitted from a sample has an energy of 7.46 keV. Of which element is the sample made?
A: E=-13.6Z21n12-1n22 eV Z is the atomic number Kα x rays are emitted by the transition of electron…
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Q: what minimum acceleration voltage would be required to produce an x-ray with a wavelength of 70.0 pm
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Q: Find Relative error for the find planck constant: h = (1.60217662 x 10^-19)(4.1628 10^-6 ±1.25718…
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A: Given: 1λ=Ry1n12-1n22where, n1=1, n2=2,3,4,...Ry=1.09735×107 /m
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Q: Example 25. In a Stern-Gerlach experiment, a collimated beam silver atom is produced by vapourising…
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Q: The diameter of the nucleus is about 12.1fm. What is the kinetic energy of a proton with a de…
A: diameter of nucleus (d) = 12.1 fm de broglie wavelength of proton = 12.1 fm
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Q: What is the kinetic energy of an electron (in eV), if its de Broiglie wavelength is 8.08 Å? Answer:
A: Given: The de Broglie wavelength is 8.08 Ao.
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Q: At what speed must an electron travel to have a wavelength of 13.6 pm ?
A: The expression for wavelength,
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Q: If all the energy from a 119 W light bulb is emitted, on average, at 690.0 nm, how many 690.0 nm…
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Q: 4
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Q: The threshold wavelength for silver is O 3800 A. Calculate the maximum kinetic O. energy in eV of…
A: To find-Maximum K.E. in eVGiven data-λ0=3800 A0=3800×10-10 mλ=2600 A0=2600×10-10 mc=3×108…
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Q: If h=Planck's constant, the de Brogile wavelength of a particle of linear momentum p and kinetic…
A: Given, h- Planck's constant p- linear momentum KE- kinetic energy
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Q: into a flat, large courtyard beyond. Where could you stand in the courtyard to avoid being struck by…
A: To avoid being struck by the beam of bats, you could stand anywhere in the courtyard that is not…
Q: (prt 1)A photon emitted as a hydrogen atom undergoes a transition from the n = 4 state to the n = 2…
A: 1. The energy of the emitted photon is E=-13.6 eVn2∆E=-13.6 eV42--13.6 eV22=2.55 eV1.6×10-19 J1…
Q: An electron was ejected from the surface of cesium metal with a speed of 6.74*10^5 m/s.Given that…
A: Given data :- speed of ejected electron v =6.74 × 105 ms threshold energy (work function of the…
Q: Light of wavelength 3000 Aº falls on a metal surface having work function 2.3 eV. Calculate the…
A: To find-Maximum velocity of ejected electrons (Vmax)=?Given-Wavelength (λ)=3000 A0=3×10-7 mWork…
Q: t = 0 the hydrogen atom in the {|r}} representation is given as (0)) = ao (2x + iy) p2 [ª(21 -1₁- +…
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