The ground-state energy of a harmonic oscillator is 5.60€V. If the oscillator undergoes a transition from its n = 3 to n = 1 level by emitting a photon, what is the wave length of the photon? A. 55.35 nm. В. 43.86 nm. C. 39,76 nm. D. 12.64 nm. A. O B. Oc.

Q: A photon of frequency 7.9 x 1015 Hz incident on a metal plate and just <ncoked off an electron. The…

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Q: 20. A beam of electrons with speed v = 2.08 x 106 m/s is directed at a gas of hydrogen atoms that…

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Q: A laser (powered at 3.0 watts) produces light of 600 nm in How many photons per second are produced?…

A: Power of the laser is P=3.0 W. Wavelength of the light is λ=600 nm  =600 nm×10-9 m1 nm  =6.00×10-7 m…

Q: A bullet from a .357 Magnum has a mass of 11.66 gms and a muzzle velocity of 387 m/s. What is the…

A: SOlution: Given that m = 11.66 gms v =387 m/s

Q: 2. In an electron microscope we wish to study particles of diameter about 0.10 um. a. What should be…

A: Given: Diameter of particles =0.10 μm Calculation: a) The de Broglie wavelength of the electron…

Q: Light with a wavelength of 350 nm shines on a metal surface, which emits electrons. The stopping…

A: (a) The maximum kinetic energy is, Kmax=eV0  given, the stopping potential is, 1.25V  Thus,…

Q: Calculate the energy of a photon of blue light, 1 = 400nm in air. A. 0.1eV %3D B. 21.leV С. 3.1еV D.…

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Q: Calculate the wavelength radiated by the hot plate at 537 °C A. 5397 nm O B. 3580 nm C. 1556 nm O…

A: Given, T = 537°C = 810 K  As per wien's law,  λmax T = 2.898 x 10-3 m/K  λmax = 2.898 x 10-3 / T…

Q: a. An electron is found to a wavelength of A = 0.65 nm. What is the velocity of the electron? m/s b.…

A: (a)   Using de-Broglie wavelength equation:                          λ=hmvv=hmλ where,…

Q: What is the de Brogue wavelength of a proton whose kinetic energy is 2.0 MeV? 10.0 MeV?

A: Given that-E1= 2MeVE2= 10 MeVMass of proton, mp= 1.67×10-27 kgWhereas,De-broglie wavelength,…

Q: A beam of 150 eV electrons are directed at normal incidence onto a crystal surface. The m = 2…

A: According to the Bragg's law, 2d×sinθ = mλ where, d = spacing of the crystal layers θ = incident…

Q: A photon has energy of 6.60 eV. To what wavelength does this energy correspond? a. 100 nm b. 118 nm…

A: Energy, E = 6.60 eV = 6.60×1.6×10-19 J = 1.056×10-18 JWavelength, λ = ?

Q: A proton is moving with a velocity of 1.5 × 10 m/s that has an uncertainty of 7.5 x 10³ m/s. What is…

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Q: If all of the following particles move at the same speed, which one will have the greatest de…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: The work function of unknown metal surface is = 7.54 eV, find the minimum wavelength that light must…

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Q: The mass of an electron is about 9.11x10^-31 kg.  What is the de Broglie wavlength of an electron…

A: Given data:  The mass of an electron (m) = 9.11×10-31 kg Speed (v) = 0.01 m/s Required: The de…

Q: If the wavelength of an electron is 450 nm, how fast is it moving? A. 0.78 c. B. 1616.42 m/s... C.…

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Q: 3. A molecule in its first excited state will spontaneously decay to the ground state by emitting a…

A: From uncertainty condition, the relation between uncertainty in energy and time is ∆E∆t≥h where ∆E…

Q: A 20.0-kg particle has a deBroglie wavelength of 10.0 cm. How fast is the particle moving? A. 1.30 x…

A: Given Mass of the particle (m) = 20 kg Wavelength                    = 10.0 cm

Q: A nitrogen molecule of mass, m = 4.648 x 10-11 kg, has a deBroglie wavelength of 6.19 x 10-11 m.…

A: Hot objects emit light that behaves as a wave as well as a particle. Each particle has energy equal…

Q: What is the momentum of photons with the following wavelengths?

A: Apply formula for photon momentum

Q: 4. The thermal radiation from the earth's surface peaks at a wavelength of approximately 10 um. What…

A: From Given wavelength of photon we can get the frequency of photon. Energy = Planck's constant (h) ×…

Q: 1. Calculate the ratio of the Einstein coefficients of spontaneous and stimulated emission, A and B,…

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Q: 3. Which of the following has the least wavelength? a Gamma rays, b. blue light, c infrared…

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Q: 4. An electron has a momentum py = 1.30 × 10-25 kg.m/s. What is the minimum uncertainty in its…

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Q: b. An electron (m = 9.1 × 10-31 kg) is confined to a one-dimensional box of length 4.0 x 10-10 m.…

A: The energy of a particle (electron in this case) is given by, E=n2h28mL2 The energy gap between 1st…

Q: The wavefunction of a 1D PIB is given by: 4₁-415567 sin( [π/a] x) what is the box length in pm? O a.…

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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 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: A photon has an energy of E1= 1.0x10^-20 J. A second photon has twice the wavelength as the first…

A: Derive a relationship between energy of the photon with momentum p and its wavelength λ.

Q: A particle confined in a rigid one-dimensional box of length 13.1fm has an energy level En =25.59MeV…

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Q: -10r a. Calculate the energy of the following signal : g(t) = 10te

A: The signal is given as : g(t)=10te-10t3           0≤t≤∞ The energy of the given signal is :…

Q: Perfect absorbers of electromagnetic radiation are also perfect emitters. b. At any instant in time,…

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Q: A bullet from a .357 Magnum has a mass of 11.66 gms and a muzzle velocity of 387 m/s. What is the…

A: Given :       Mass of bullet, m = 11.66 gms = 11.66*10-3 kg       Muzzle velocity, v = 387 m/s

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: 2. A particle of matter is moving with a kinetic energy of 6.55 eV. Its de Broglie wavelength is…

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