A beam of neutrons (of mass 940 MeV/c² ) moves through a material whose refractive index is 1.3. Cerenkov light is emitted at an angle of 15° to the beam. Find the kinetic energy of the neutrons in MeV.

Q: Describe a typical nuclear fusion process with a neat sketch. Calculate the de Broglie wavelength of…

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Q: Find the energy (in eV) of a photon with a frequency of 2.7 ✕ 10^16 Hz.

A: Solution:- Given  frequency f=2.7 ×1016 Hz

Q: A regular LED light bulb continuously emits 10.0 W of light uniformly in all directions. A man…

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Q: How many x-ray photons per second are created by an x-ray tube that produces a flux of x-rays having…

A: Power of x rays = 1.21 W Average energy per photon = 80 keV

Q: What (a) frequency, (b) photon energy, and (c) photon momentum magnitude (in keV/c) are associated…

A: Wavelength * frequency = speed of light  frequency = speed of light / wavelength Energy = Planck's…

Q: X-RAY RADIATION Constants Units of Energy h = 6.626 · 10-34 J.sec Planck constant e = 1.6· 10-19 C…

A: Given,

Q: A light source emits a beam of photons, each of which has a momentum of 6.4 x 10-29 kg-m/s. (a) What…

A: Mometum of photon=6.4×10-29kg.m/s

Q: If we were to consider waves on the electromagnetic spectrum with wavelengths of 4.3 x 10^7 nm and…

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Q: Determine the wavelength of an electron with a kinetic energy of 50 eV.

A: Given  Kinetic energy of electron KE = 50 eV = 50 x (1.6 x 10-19 ) J

Q: (a) Calculate the wavelength (in m) of a photon that has the same momentum as a proton moving at…

A: Given : v = 1.21% c = 0.0121(3 × 108) = 3.63 × 106 m/s

Q: Find the energy (in eV) of a photon with a frequency of 4.2 ✕ 1016 Hz.

A: Given data: Frequency (f) = 4.2×1016 Hz Required: Energy of photon in eV

Q: A pulse of light of duration 100 ns is absorbed completely by a small object initially at rest.…

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Q: Monochromatic light of frequency 6.0 ×1014 Hz is produced by a laser. The power emitted is 2.0 ×10-3…

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Q: Electron coming out of a material has a velocity of 5.6x105 ms-1 when it is illuminated by a light…

A: The photoelectric effect takes place when the light of a certain frequency falls on material and…

Q: find the lowest values of the kinetic energy of the electron and proton at which Cherenkov radiation…

A: Given: The refractive index of the medium is n = 1.6

Q: Determine the maximum frequency of an X-Ray  emission caused by an electron travelling with  60,000…

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Q: Problem 24.06. A laser emits monochromatic light (light of a single frequency). A 5 mW (milliWatt)…

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Q: The most energetic electromagnetic waves in the universe are gamma-rays from gamma ray bursts (GRBs)…

A: Given dataEnergy E=100 Tev1 Tev=1.6x10-7 JEnergy of photon is given byE=hfE=hCλwhere h=plank's…

Q: A beam of 450 nm light is incident on a metal having work function 2:0 eV and placed in a magnetic…

A: Given Data, Wavelength of incident light(λ)=450 nm Work function of the metal(ϕ)=2.0 eV Radius of…

Q: Q. 22 : The de-Broglie wavelength of waves associated with an a-particle of momentum 52.96 x 10-21…

A: To find-Wavelength (λ)=?Given data-p=52.96×10-21 kg.m/sh=6.63×10-34 J.s

Q: An x-ray source generates EM radiation with a wavelength of 45.0 pm (10-12 m). h =       c =…

A: Photon energy is given by : E =hcλ = 1.98644586×10-2545x10-12 = 4.413x10-15 J Potential difference:…

Q: X-rays strike a stationary electron. When the x-ray photon scatters at an angle of 15 degrees it has…

A: Energy of x photon when scattered at 15° = 12.39kev θ=15° E =hcλ λ' =hcE

Q: Alarm systems use the photoelectric effect. A beam of light strikes a piece of metal in the…

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Q: How many x-ray photons per second are created by an X-ray tube that produces a flux of x rays having…

A: Given- Flux of X-rays having power, P = 1 W Average energy per photon, E = 75 keV Time, t = 1 sec

Q: A 2.0-kg object falls from a height of 5.0 m to the ground. If all the gravitational potential…

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Q: An electron has kinetic energy E = 295KeV which is equal to the energy of a photon. Let λ1 be the…

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Q: Find the momentum (in kg·m/s) of a 11.0 keV x-ray photon.

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Modern physics The beryllium surface is illuminated by light with a wavelength of 300 nm. The work…

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Q: The rows of atoms on the surface of a crystal are separated by a distance of 0.352 nm. A beam of…

A: Given: Distance is 0.352 nm Potential difference is 175 V

Q: In scenario A, visible light has a wavelength of 729.9 nm.729.9 nm. Determine its frequency, energy…

A: Since, we solve up to 1 question, we will solve the first question only. Please resubmit the…

Q: When ultraviolet radiation of 9.5 X 10 14 Hz is incident on a metal sheet, photoelectrons are…

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Q: An x - ray tube is operated at 5.00 x 104 V. (a) Find the minimum wavelength of the radiation…

A: (a). the minimum wavelength of the radiation emitted by tube can be calculated from the expression…

Q: (a) 620 nanometers (nm)? (b) What are the energy and momentum of a photon of red light of wavelength…

A: The relation between wavelength and energy for the photon is given by Where  h = Planck constant c…

Q: Electrons are ejected from a metallic surface with speeds ranging up to 4.1 x 10³ m/s when light…

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Q: A photon has momentum of magnitude 2.48 x 10-28 kg.m/s. (a) What is the kinetic energy of this…

A: Given : Momentum=p=2.48x10-28 kg.m/s

Q: of

A: Given: Frequency = 1.5 x 106 Hz The energy of photon =?

Q: In quantum interpretation of the electromagnetic waves in vacuum the photon has the energy E = hw/2n…

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Q: Calculate the momentum of a 4.10 x 10^2 nm photon of violet light.

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Q: Find the wave number of a photon having an energy of 2.072 e V. (Given : Charge of an electron = 1.6…

A: To find-Wave number=1λ=?Given-E=2.072 eV=2.072×1.6×10-19 Je=1.6×10-19 CV=3×108 m/sh=6.63×10-34 Js