What is the de Broglie wavelength (in nanometers!) of an electron with energy 3 MeV? (point)
Q: The work function for platinum is 6.35 eV. Ultraviolet light of wavelength 150 nm is incident on the…
A: Stopping potential is defined as the external potential that is required to make the photoelectron…
Q: What speed must an electron have in order for it's de Broglie wavelength to be 525 nm? Show the…
A: Given data: An electron The wavelength (λ) = 525 nm Required: The speed (v)
Q: The wavelength of the yellow spectral emission line of sodium is 590 nm. How much kinetic energy…
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Q: TOPIC: Wave Property of Particles SUBJECT: PHYSICS Answer the problem by providing the given data,…
A: Given data : Energy of electron E = 40 keV Mass of electron m = 0.511 MeV/c²…
Q: A particle is moving 5 times as fast as an electron. The ratio of the de - Broglie wavelength of the…
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Q: Light of frequency 1.4 × 1015 Hz illuminates a piece of lithium, and the lithium emits…
A: SOlution: Givent that f = 1.4x1015 Hz KE =3.7 eV
Q: What is the wavelength of a photon emitted when an electron in hydrogen goes from the n = 4 state to…
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Q: A metal has a work function of 5.5 eV. d) The stopping potential, required to stop the electrons…
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Q: 1)What is the de Broglie wavelength of an electron travelling at a speed of 5 x 106 m/s ?…
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Q: An electron is trapped in a is absorbed, the electron is in the n = 6 energy level. What was the…
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Q: An electron is trapped in a one-dimensional box that is 501 nm wide. Initially, it is in the n = 3…
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Q: If the de Broglie wavelength of an electron is equal to 5.0 e -7-m, how fast is the electron moving?…
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Q: ) An electron is accelerated through a potential difference of 25 kV. Calculate the de Broglie…
A: Voltage, V = 25 kV = 25×103 V = 25,000 V de Broglie wavelength of the electron, λ = ?
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: De Broglie's hypothesis states that every particle has associated with it a wavelength given by…
A: Given data : Mass of the bullet, m = 3.31 g = 3.31×10-3 kg Speed…
Q: If Ψ is the wave function, the probability density function is given by _____________ a) |Ψ| b)…
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Q: The Stanford Linear Accelerator accelerated electrons to an energy of 50 GeV. What is the de Broglie…
A: The energy is too huge as compared to the rest mass energy of electron. the de Broglie wavelength…
Q: Q2:- Find the de Broglie wavelength of (a) a 8-MeV proton; (b) a 55-GeV electron; (c) ar electron…
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Q: sing the average speed of a gas, (8?????)1/2, determine the average de Broglie wavelength for an He…
A: Given, He atom is moving at some temperature and it has wavelength
Q: Q:-3(a)-An electron moves in the x direction with a speed of 2.8 x 106 m/s. We can measure its speed…
A: Required : The precision in the x coordinate of the electron and the ball.
Q: What would be the kinetic energy of electrons in a beam having a de Broglie wavelength of 420 nm…
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Q: 20. An a-particle and a proton are accelerated through the same potential. The ratio of their…
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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: Find the deBroglie wavelength of a 1.36 kg object moving at 31.44 m/s. Give your answer with three…
A: Given data : Object mass (m)=1.36kgvelocity(v)=31.44m/s Solution : Take, plank's constant…
Q: A relatively long-lived excited state of an atom has a lifetime of 2.75 ms. What is the minimum…
A: Given that:- Life time of an atom=2.75ms
Q: de Broglie wavelength is
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Q: How much energy is released if an electron drops from a Na atom's n=5 energy level down to n=3…
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Q: From Bohr's atomic model, write an equation giving the wavelength emitted when an electron passes…
A: To write an equation giving the wavelength emitted when an electron passes from a ni level to an nf…
Q: What is the length of a box in which the minimum energy of an electron is 1.5 x 10-18 J?
A: The energy of a particle in the box is given by, En=n2h28mL2
Q: An x-ray is produced by electrons accelerated under a voltage of 11.6 kV. What is the shortest…
A: Given m=9.1×10-31 Kg (mass of electron)q=1.6×10-19 C (charge on electron)V=11.6 KV=11600 V…
Q: What would be the uncertainty of VL if L= 1.07/ the uncertainty equals 0.05/ and VL= 1.0344?
A: Given L = 1.07 ∆L = 0.05 √L = √(1.07) = 1.0344
Q: De Broglie's hypothesis states that every particle has associated with it a wavelength given by…
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Q: In a typical electron microscope, the momentum of each electron is about 1.8 x 1022 kg-m/s. What is…
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