8 : The moving electron and photon has same De Broglie wavelength. Show that the electron possesses more energy than carried by the photon.
Q: If an electron and a proton have the same de-Broglie wavelength, then the kinetic energy of the…
A: Kinetic energy of a body having momentum is given by KE = p22m, where m = the mass of the body p =…
Q: photoelectric effect experiment,
A: 2. There are no ejected electrons.
Q: The kinetic energy of an electron is 2.74 x 10-19 J. Which of the following is closest to its de…
A:
Q: The following observations are made about the photoelectric effect : 1. No electrons are emitted…
A: For a given photosensitive material, there exists a certain minimum cut-off frequency of the…
Q: A photon has a wavelength of 50 nm. What is the de Broglie wavelength of an electron that has the…
A: Given wavelength=50 nm
Q: A 0.836-nm photon collides with a stationary electron. After the collision, the electron moves…
A:
Q: 7) Calculate translational kinetic energy of a non-relativistic electron as a function of the…
A: We know the de Broglie wavelength is given as:λ=ph=mvhorv=mλhorv2=m2λ2h2or K.E.=21mv2=2mλ2h2
Q: In an electron microscope, through approximately how many volts of potential difference must…
A: Given: The DE Broglie wavelength (λ) = 1.0×10-10 m.
Q: ** 19. Electrons are accelerated through a potential difference of 100 volts and allowed to impinge…
A: (a). The value of the potential difference is V=100 volts The kinetic energy of the electron is,…
Q: What is the energy in joules of a photon in a radio wave from an AM station that has a 1530-kHz…
A: We know that-The energyof a photon is directly proportional to its frequency,where 'h' is a planck's…
Q: Albert Einstein received the Nobel Prize in Physics in 1921 "for his services to theoretical…
A: The correct answer is option (1) i.e. It essentially describes how photons of light provide energy…
Q: Green light shining on a sodium surface causes photoelectrons with maximum kinetic energies of 0.22…
A: Given that---- maximum kinetic energy = 0.22 eV. Work function = 2.28 eV. Question ❓ what is…
Q: 29. The average frequency of light emitted by a 100-watt bulb is 5 x 1014 hertz. How many photons…
A: Given: Bulb capacity 100 W Average frequency is 5×1014Hz Potential difference is 10,000 V
Q: 14. Consider the case of a “collision" between a photon and a free proton, initially at rest. What…
A: Let us assume a photon collides with a stationary proton instead of the electron and scatters. Since…
Q: (i) What is the De Broglie wavelength of an electron traveling at a speed of 1.5 X106 m/s and (ii)…
A: Thee speed of the electron is 1.5×106 m/s.
Q: . i. Calculate the maximum wavelength λmax of electromagnetic radiation that could eject electrons…
A:
Q: 3. If an X-ray photon with 2 = 0.053 nm hits (and Compton scatters from) an initially stationary…
A: Incident photon wavelength λ = 0.053 nm
Q: 7. X-rays with an energy of 300. keV undergo Compton scattering from a target. If the scattered rays…
A:
Q: If a proton and an electron have the same kinetic energy, which has the longer de Broglie…
A: Given: A proton and an electron has same kinetic energy.
Q: Consider a photon of wavelength λ that imparts all of its energy to a free electron in a metal…
A:
Q: 98. The work function of a metal is 1 eV. Light of wavelength 3000 Å is incident on this metal…
A:
Q: oton in vacuum is larger than the speed of light in orb a photon, but it cannot emit a photon. oton…
A: A photon is a quantum of Electromagnetic radiation. Its energy is given by…
Q: 102.A photon of frequency 4.81 x 10¹⁹ Hz scatters off a free stationary electron. Careful…
A: Given, The frequency, f=4.81×1019Hz Angle, θ=125° a. The original wavelength,…
Q: 21. Ultraviolet light of wavelength 4.00 x 10 m irradiates a certain material, releasing A…
A:
Q: O wavelength is directly proportional to the square of momentu wavelength is inversely proportional…
A: De Broglie's equation
Q: 12. [Essay] The work function for zinc is 4.31 eV. (a) What is the lowest frequency of light…
A:
Q: 6. Lead (Pb) O = 4.3 eV Copper (Cu) 0 = 4.7 eV Nickel (Ni) O = 5.2 eV Three different metals are…
A: From the question, it is given that- Work function of Lead: ϕpb=4.3 eVWork function of Copper:…
Q: 8 (a) The smallest amount of energy needed to eject an electron from metallic sodium is 2.28 eV.…
A: smallest amount of energy to eject an electron from metallic sodium = 2.28 eV wavelength of red…
Q: What velocity must an electron travel with for its kinetic energy to equal the energy of a photon…
A: The energy of a 520nm photon is given by Plank's formula as,
Q: The work function of K is 2.2 eV (a) Calculate the threshold frequency and wavelength (b) Will…
A: work function of k = 2.2 eV
Q: What is the de Broglie wavelength for an electron moving at 2.00 x 10^7 m/s?
A:
Q: a) The de Broglie wavelength of an electron is 2.33 nm. Use the Bohr model of the hydrogen atom to…
A:
Q: and a photon each have a wavelength of 1.00 nm. Find (a) their momenta (b) the energy of the ph
A: Here, we calculate the momentum of electron and photon as given follow. Also, the energy of…
Q: A 1-kg cat acquires a speed of 100 m/s as it is sucked into the intake of a jet engine.What is its…
A: Solution : Cat mass m = 1 kg speed of cat, v = 100 m/s h = 6.63x10^-34 J s c = 3x 10^8 m/s
Q: During a photoelectric effect experiment, light possessing 3.54 eV of energy is incident on a…
A: Given data: Energy of incident photon (E) = 3.54 eV Work function (W0) = 1.53 eV Required: The…
Q: 21 Green light shining on a sodium surface causes photoelectrons with maximum kinetic energies of…
A: The maximum kinetic energy of the photoelectrons ejected from the surface can be determined as,…
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