hydrogen atom has its electron in the n = 4 level. The radius of the electron's orbit in the Bohr model is 0.847 nm. Find the de Broglie wavelength of the electron under these circumstances. m (b) What is the

Q: Three energy levels exist in a particular atom (not necessarily hydrogen-like with a single electron…

A: Electron transition takes place between energy levels,  From n=3 to n=2,  Wavelength λ of photon =…

Q: The energy of an ultraviolet light is 3.28 eV. Tenaga cahaya ultraviolet adalah 3.28 eV. (i) What is…

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Q: The de Broglie wavelength of an electron in a hydrogen atom is1.66 nm. Identify the integer n that…

A: The expression for the de-Broglie wavelength is, Here, h is the Planck’s constant, m is the mass of…

Q: The energy of an ultraviolet light is 3.28 ev. Tenaga cahaya ultraviolet adalah 3.28 ev. (i) What is…

A: The relation between the energy and the wavelength is  where, h is the Plank's constant and c is…

Q: An electron has a de Broglie wavelength equal to the diameter of a hydrogen atom in its ground…

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Q: The wavelength of the yellow spectral emission line of sodium is 590 nm. At what kinetic energy…

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Q: De Broglie postulated that the relationship ? = h/p is valid for relativistic particles. What is the…

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Q: An electron and a 6.50 kg bowling ball each have 4.60 eV of kinetic energy. HINT (a) Calculate  ?e,…

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Q: 9. (a) Calculate the speed of a neutron with de Broglie wavelength 9 x 10 m. Calculate the…

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Q: Photons of wavelength 325nm shine on a metal surface and electrons are ejected. A stopping potential…

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Q: A Bohr-like atom has a ground state energy (n=1) of -41.4eV. An electron makes a transition from the…

A: Given:We are dealing with Bohr-like atom,Ground state energy, E1 = -41.4 eVelectron transition from,…

Q: h = 6.63x10-34 Js, = h/(2TT), hc = 1240 eV nm ao = 0.053 nm G = 6.67x10-11 Nm²/kg² 1. The Bohr model…

A: Bohr model of Hydrogen atom

Q: It is possible that a muon be captured by a proton to form a muonic atom. A muon is identic to an…

A: According to Bohr model of Hydrogen atom, the single electron in the Hydrogen atom revolves around…

Q: (a) A hydrogen atom has its electron in the  n = 6  level. The radius of the electron's orbit in…

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Q: Electrons in an x-ray tube accelerate through a potential difference of 10.0 kV before striking a…

A: The potential difference applied is V = 10 kV = 10 x 103 V

Q: The incident wavelength of 210 nm is used to test the photo electric effect on a sodium metal. The…

A: Given : Incident wavelength, λ  =  210 nm Threshold wavelength, λ0  =  325  nm We have to find the…

Q: The energy required to eject an electron from the surface of a metal is 4.8 eV. a) What is the…

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Q: Blue light shined on the photocathode initially emits electrons.  What is the quantum prediction if…

A: When the intensity of light is increased , then number of emitted electrons from the surface will…

Q: A hypothetical atom has three energy levels: the ground-state level and levels 1.25 eV and 2.75 eV…

A: When an atom absorbs energy from incident radiation, then it jumps from a lower energy level to a…

Q: In a photoelectric effect experiment the threshold wavelength of light is 380 nm. If the wavelength…

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Q: Cesium has a work function of 2.14 eV where 1.0 eV = 1.602 x 10^-9J. If radiation with a wavelength…

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Q: The orbital radius of an electron in a hydrogen atom is 0.846 nm.What is its de Broglie wavelength?

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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: The threshold frequency of silver is 10.5×1015 Hz. What is the work function of silver? Planck’s…

A: Given,  threshold frequency of silver is 10.5×1015 Hz. Planck’s constant is 6.63 × 10−34 J · s let…

Q: Calculate the minimum-wavelength x-ray that can be produced when a target is struck by an electron…

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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: Light with a frequency of 3.00 x 10^15 ejects electrons from the surface of platinum, which has a…

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Q: A 2x10-12 m wavelength photon strikes a stationary electron and Compton scatters at and angle of 60…

A: c) Determine the speed of an electron. Determine the momentum of the electron.

Q: The minimum frequency of light needed to eject electrons from a metal is called the threshold…

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Q: Q3. Given: mass of electron = 9.1x10-31/C; e = 1.60x10-19C A. Prove that if an electron is…

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Q: The Bohr Model Put the four equations from the previous slide together to show that h’e, Tme? r =n 1…

A: The above question is related to semi classical ideas of Bohr radius of an electron in an atom . The…

Q: The Bohr model for the hydrogen atom posits that the atom's electron can only occupy circular…

A: Given data The number of the orbit in an excited state is n = 7

Q: 6. [-/1 Points] DETAILS COLFUNPHYS1 29.P.013. MY NOTES Find the de Broglie wavelength of a baseball…

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Q: An electron is travelling at 0.7c. What is the deBroglie wavelength of this electron? A. 2.47 pm B.…

A: Given: The speed of the electron is 0.7c.

Q: An electron accelerates from rest through a potential difference of 2.00 kV. What is its de Broglie…

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Q: The Bohr’s hydrogen model is based on the following postulate: mvr = nh¯, where n is a positive…

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Q: An experiment is performed where light of different frequencies is shined on a sodium plate. The…

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Q: he distance between atoms in a crystal of NaCl is 418.5 nm. The crystal is being studied in a…

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Q: You set up a photoelectric experiment with an unknown metal to eject electrons. You use light of…

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Q: Starting from rest, an electron accelerates through a potential difference of 49 V. What is its de…

A: Given data: Potential difference V=49V

Q: (a) A hydrogen atom has its electron in the n = 3 level. The radius of the electron's orbit in the…

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Q: Case 8.T 8.1.1. An electron has a de Broglie wavelength of 3.31 A. Determine (a) the magnitude of…

A: (a) Momentum is given by,

Q: hydrogen atom emits a photon when its electron shifts from a higher energy level to a lower one.…

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Q: statements is FALSE? de Broglie's contribution to the Bohr model was that an electron's orbit…

A: a) relation in circumference and wavelength given by de-broglie  2πr = circumference = principal…

Q: (a) A hydrogen atom has its electron in the n = 6 level. The radius of the electron's orbit in the…

A: Write a given values of this question. n=6r=1.905nm=1.905×10-9mh=6.63×10-34J-sec

Blackbody

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