What is the wavelength of an electron moving at 3.00% of the speed of light?
Q: The photoelectric equation for the kinetic energy of a photoelectron is, following Einstein, E ≤ hf…
A: Given, work function of Sodium is, W = 3.2×10-19 J velocity of electron is, v =8×105 m/s So maximum…
Q: ass (in kg) of
A: Givenλ=725 nm=725×10-9 m
Q: If a photon has an associated wavelength of 636 nm, what is its photon energy in electron Volts?
A: Given data: Wavelength of the photon (λ) = 636 nm Required: The energy of photon in eV
Q: A measurement is made of a photon’s energy (from a laser) that results in an uncertainty in the…
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Q: Give the rest mass (in kg) of a photon with wavelength 648.0 nm.
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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: What is the frequency of a photon having energy 2.1 X 10-30 MJ?
A: E = 2.1 X 10-30+6 JFrequency, v = ?We know, Energy = hv, where h is the Planck’s ConstantTherefore,…
Q: The energy in eV of a photon, if the requency of the radiation is 7 × 10¹4 Hz is 4.0 eV 2.9 eV 3.9…
A: To find-Energy in eV=?Given-h=6.63×10-34 Jsv=7×1014 Hz
Q: 3) A proton is moving with 10^8 m/s speed. Find the De Broglie wavelength associated with the proton…
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Q: (a) If the wavelength of an electron is 4.81 x 10 m, how fast is it moving? km/s (b) If the electron…
A: Solution
Q: A typical Blu-Ray player uses a gallium nitride (GaN) diode laser with a wavelength of 405.0 nm.…
A: Energy of a photon is given by E=hcλ. Where his the planks constant, c is the speed of light, and…
Q: The energy (in electron-volts) for a photon with a wavelength 439.8 nm is:
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Q: The energy in eV of a photon, if the requency of the radiation is 7 × 10¹4 Hz is 4.0 eV (b) 2.9 eV…
A: To find-Energy in eV=?Given-h=6.63×10-34 Jsv=7×1014 Hz
Q: (a) If the wavelength of an electron is 4.70 × 10¯ m, how fast is it moving? km/s (b) If the…
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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: X-rays are Compton scattered at an angle of 60◦. If the wavelength of the scattered radiation is…
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Q: A proton is moving at a speed of 2.59 × 107 m/s. The mass of a proton is 1.67 × 10–24 g. Calculate…
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Q: Give the momentum (in kg m/s) of a photon with wavelength 429.0 nm.
A: Given that,wavelenght:λ=429.0 nmh=6.63×10-34
Q: Gamma rays (y-rays) are high-energy photons. In a certain nuclear reaction, a y-ray of energy 0.389…
A: The energy associated with high energy photons is given by the expression E = hν…
Q: Calculate the de Broglie wavelength of proton, if it is moving with speed of 2 × 105 m/s. Mass of…
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Q: What speed must an electron have if its momentum is to be the same as that of an X-ray photon with a…
A: wavelength=0.95nm
Q: The energy of a photon is given by 6.7 × 10-15 J. What is the energy of the photon in the unit of…
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Q: An x-ray photon of energy 3.20 x 10-15 J has what wavelength?
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Q: (a) What is the energy in joules of an x-ray photon with wavelength 3.92 ✕ 10−10 m? _____J (b)…
A: We have given: Wavelength, λ = 3.92 x 10-10 m (a) The energy of the photon is given as E =…
Q: What is the wavelength of the photon with energy E = 5.4 × 10-15 J. Use the unit of nm for the…
A: Write a given values of this question. E=5.4×10-15Jh=6.63×10-34J-sc=3×108m/s
Q: What is the wavelength, in nm, of a light wave with a frequency of 4 * 10^15 Hz?
A: Given that the frequency of the light wave is f=4×1015 Hz. The wavelength of the light can be…
Q: What is the frequency (in Hz) of light when a mole of photons has an energy of 1.55 x 1013 J? 3.88 x…
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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: Find the momentum of a photon with a wavelength of 1.55m. (Radio wave)
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Q: (c) What is the wavelength (in m) of a photon with an energy of 1.13 eV? 1.76*10**-6 m
A: Energy E = h f Frequency f = c / λ Therefore, E = h c / λ Wavelength, λ = h c / E
Q: Calculate the de Broglie wavelength of a proton moving at 2.42 ✕ 108 m/s. ____m
A: Given data The velocity of the proton is, v=2.42×108 m/s The de Broglie wavelength is, λ=hmv Here…
Q: momentum of 4.8 × 10-29 kg⋅m/s. Part (a) What is the wavelength of such a ph
A: We know that the formula of the photon momentum is given as p = hλ------ eq1 where h is the Planck…
Q: Give the momentum (in kg m/s) of a photon with wavelength 635.0 nm.
A: Given: The wavelength of the photon is 635 nm.
Q: (a) If the wavelength of an electron is 5.20 ✕ 10−7 m, how fast is it moving? km/s(b) If the…
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Q: (a) If the wavelength of an electron is 4.60 ✕ 10−7 m, how fast is it moving? km/s (b) If the…
A: a) v = h/mλ = 6.62×10-34/(9.1×10-31×4.6×10-7) v = 1581.46 m/s v = 1.58 km/s
Q: Gamma rays (?-rays) are high-energy photons. In a certain nuclear reaction, a ?-ray of energy 0.836…
A: Given data: Energy of photon , E = 0.836 MeV
Q: When ultraviolet radiation of 9.5 X 10 14 Hz is incident on a metal sheet, photoelectrons are…
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Q: Find the frequency of a photon of wavelength 436x10^-9 m , p= 1.5197x10^-27 kg.m/s ?!
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Q: A photon has 1.86 eV of energy. What is the photon’s wavelength? (h = 6.626 x 10-34, 1 eV = 1.6 x…
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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: During a certain experiment, the de Broglie wavelength of an electron is 440 nm = 4.4 × 10-7 m,…
A: Given, Wavelength=440nm=4.4×10^-7m Velocity=?
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
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