When a particle of mass 9.1 x 10-28 g in an infinite square well goes from the 5 level to the n = 2 level, it emits a photon of frequency 6.0 x 1014 s-l. Find the length of the well. n = %3D

Q: 3. A free electron initially moves along the positive x-axis direction with the de Broglie…

A: Given, The wavelength of electrons, λ=0.2×10-9m The de Broglie wavelength is given by, λ=h2meE Here,…

Q: Under ideal conditions, a visual sensation can occur in the human visual system if light of…

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Q: Calculate the energy of an electron with mass 9.109 × 10-31 kg confined in a two-dimensional box…

A: Part(1) the energy of an electron with mass  9.109×10-31 kg  confined in a 2-dimensional box with…

Q: The photoelectric work function for a metal is 4.2 eV. If the stopping potential is 3V. Find the…

A: To find-λ0=?(K.E.)max=?Given-ϕ0=4.2 eV=4.2×1.6×10-19 JVs=3 Vc=3×108 m/sh=6.63×10-34 Jse=1.6×10-19 C

Q: What is the longest-wavelength EM radiation (in nm) that can eject a photoelectron from zirconium,…

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Q: An X-ray photon with 30.0 keV of energy is scattered 60.0° by a free electron. (a) What is the…

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Q: Two scenarios:  1. A photon scatters off of a free electron and has a wavelength difference of…

A: The objective of the question is to determine which scenario more clearly demonstrates the particle…

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

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Q: A rubidium surface has a work function of 2.16eV. A UV light of 380nm is incident on the rubidium…

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Q: A 24.7 eV electron has a 0.247 nm wavelength. If such electrons are passed through a double slit and…

A: Given that: The energy of the electron is 24.7 eV The wavelength is λ=0.247 nm The minimum angle is…

Q: What is the work function of the metal light of wavelength 4000 Å generates

A: Givenλ=4000 Ao=4000×10-10  mve=6×105 m/sme=9×10-31 Kgc=3×108 m/sh=6.626×10-34 Jsqe=1.6×10-19  JeV-1

Q: What is the ratio of deBroglie wavelengths of a 100 MeV kinetic energy proton to a 100 MeV kinetic…

A: Correct Option - (A) 0.02 Given- Kinetic energy of proton (Ep ) = 100 MeV Kinetic energy of electron…

Q: Suppose an electron confined to a box emits photons. The longest wavelength that is registered is…

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Q: A phosphor material absorbs photons at 460 nm and luminesces at 674 nm. A) Calculate the amount of…

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Q: Potassium and gold cathodes are used in a photoelectric-effect expériment. For each cathode, find:…

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Q: The uncertainty in position of an electron is 5.15 x 10-10 m. Find the minimum uncertainty in the…

A: The uncertainity in position and momentum of the particles are related as ∆x.∆P≥h4πWhere ∆x…

Q: Photoelectric work function of a metal is 3 eV. Find the maximum K.E. and maximum. emitted when…

A: the problem is based upon the concept of photoelectric method, at first we have to calculate the…

Q: An electromagnetic radiation of wavelength 242 nm is just sufficient to ionize a sodium atom.…

A: From E= hv or hc/ λ, where : λ = 242 nm or 242 x 10-9m c = 3 x 108 m/s h = 6.62 x 10-34 J s

Q: What is the radius in nm of the electron orbit of a hydrogen atom for n = 3? What is the radius in…

A: Formula of the radius of the electron orbit of a hydrogen atom:   rn=0.053 nmn2

Q: The allowed energies of a quantum system are 0.0 eV, 6.0 eV, and 9.5 eV What wavelengths appear in…

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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…

Q: 0.062-nm photons are incident on stationary electrons. A scattered photon is observed at 134°. Find…

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Q: An electron in a quantum system has allowed energies E1=1.0 eV, E2 = 4.0 eV, and E3 = 6.0 eV. What…

A: Emission spectrum is obtained when an electron makes transition from higher energy state to lower…

Q: A particle of matter is moving with a kinetic energy of 5.63 eV. Its de Broglie wavelength is 2.10 x…

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Q: Determine the energy of the photon emitted when an electron moves from a state with energy E=-3.4eV…

A: As we know, ν=cλ Here, ν is frequency, c is speed of light, and λ is wavelength. And 1 eV=1.6×10-19…

Q: The allowed energies of a quantum system are 1.0 eV, 2.0 eV, 4.0 eV, and 7.0 eV. What wavelengths…

A: Write the formula for the energy associated with a quantum state.

Q: The short wavelength limit for the Lyman series of the hydrogen spectrum is 913.4 A Calculate the…

A: Rydberg formula for wavelength for the hydrogen spectrum is given by, 1λ=R1n12-1n22 For short…

Q: X rays with a wavelength of 0.0700 nm diffract from a crystal. Two adjacent angles of x-ray…

A: Write the formula for the x-ray diffraction.

Q: The binding energy of Sodium is 2.28 ev. Calculate the number of photoelectrons ejected from a 1.00…

A: (a) The power of the radiation emitted is P=IA=1.30×103 W/m21×10-6 m2=1.30×10-3 W The power can also…

Q: Which of the following statements are true? Choose all that apply. A photon has kinetic energy.

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Q: A photon collides with a stationary electron and makes an angle 60o after the collision. The final…

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Q: What is the energy of an electron with wavelength 680 nm?

A: Form the De Broglie equation, the momentum of the electron can be calculated if its wavelength is…

Q: A photon of wavelength 0.59242 nm strikes a free electron that is initially at rest. The photon is…

A: This problem can be solved using the conservation of linear momentum for the scattering of photon…

Q: Compute the potential difference through which an electron must be

A: We know, hcλ=V......................................(1) ANS:D 9.93*10^-16

Q: What is the work function of the metal, if the light of wavelength 4000 Å generates photoelectron of…

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