Protons are accelerated from rest by a potential difference of 3.80 kVkV and strike a metal target. A) If a proton produces one photon on impact, what is the minimum wavelength of the resulting xx rays? Express your answer in meters.   B) Find the minimum wavelength if 3.80 −keV−keV electrons are used instead? Express your answer in meters.

Q: (a) A nonrelativistic free particle with mass m has kinetic energy K. Derive an expression for the…

A: (a) De Broglie's wavelength = λ=hP ....(1) Here, h is the Planck's constant and P is momentum P = mv…

Q: A certain helium-neon laser pointer, emitting light with a wavelength of 632 nm, has a beam with an…

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Q: An electron and a 5.20 kg bowling ball each have 4.55 eV of kinetic energy. HINT (a) Calculate le,…

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Q: A sheet of metal is illuminated by photons with a wavelength of 325 nm and the emitted electrons are…

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Q: An electron and a 6.50 kg bowling ball each have 4.60 eV of kinetic energy. HINT (a) Calculate  ?e,…

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Q: a.) Find the frequency in Hertz of radiation with energy of 2.179 x 10-18 J per photon. b.) What…

A: Given information: Here, E is the energy of each photon.

Q: Two light sources are used in a photoelectric experiment to determine the work function for a…

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Q: A 140-keV photon strikes an electron and scatters through an angle of 120° from its original…

A: Given data The energy of the photon is E = 140 keV = 140 x 103 x 1.6 x 10-19 C The scattering angle…

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A: The expression for the de-Broglie wavelength,

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A: The relation between energy and wavelength is E=hcλ

Q: Lead has a prominent x - ray emission line at 75.0 keV. (a) What is the minimum speed of an incident…

A: a). From the equation of the kinetic energy, the speed of the electron is,

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A: Given: The power consumption is 80 W. The wavelength of the light is 580 nm. Introduction: The…

Q: The energy of an ultraviolet light is 3.28 eV. (i)     What is its wavelength? (Given: h=6.63✕10-34…

A: Given data: The energy of ultraviolet light E= 3.28 eV.

Q: s question as follows: After a 0.777 nm x-ray photon scatters from a free electron, the electron…

A: Given λ1=0.777 nm=0.777×10-9 mv=1.3×106 m/s

Q: Electrons in an x-ray tube accelerate through a potential difference of 10.0 kV before striking a…

A: The potential difference applied is V = 10 kV = 10 x 103 V

Q: If we measure the frequency, f, as a function of the stoppage potential, Vs: Table 1. The stoppage…

A: Given data tabulated in excel:

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Q: A) Calculate the de Broglie wavelength of a neutron (mn = 1.67493×10-27 kg) moving at one six…

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Q: A Hydrogen atom initially in its ground state i.e., n = 1 level, absorbs a photon and ends up in n =…

A: Given:- Initial state= ni = 1 Final state= nf = 4 Change in energy= ∆E= -13.6(1/42 - 1/12) = 12.75…

Q: 3. A gamma-ray photon is Compton-scattered off of an electron. The photon has an initial energy of…

A: Initial energy of photon, E=3.80 MeV Kinetic energy of scattered electron, Ke = 1.90 MeV

Q: A metal alloy of unknown composition was bombarded with 186 nm photons to determine its…

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Q: The minimum frequency of light needed to eject electrons from a metal is called the threshold…

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Q: A helium‑neon laser produces light of wavelength 632.8 nm. The laser beam carries a power of 0.75 mW…

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Q: The existence of the atomic nucleus was discovered in 1911 by Ernest Rutherford, who properly…

A: The de-Broglie wavelength is given as We know, Thus, the equation for de-Broglie wave length…

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A: Write the relation between wavelength, potential of the photoelectrons, and Plank's constant as…

Q: An ultraviolet lamp emits light of wavelength 354 nm at the rate of 384 W. An infrared lamp emits…

A: As power = NE/t, Where N is number of photons               t is time Also energy (E) = hc/lamda So…

Q: An electron and a 6.70 kg bowling ball each have 4.25 eV of kinetic energy. HINT (a) Calculate e,…

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Q: A photon having energy E0 = 0.880 MeV is scattered by a free electron initially at rest such that…

A: The momentum of the photon before scattering is given by,     p0=h/λ0        (I)   Here, p0 is the…

Q: A metal alloy of unknown composition was bombarded with 196 nm photons to determine its…

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Q: What is the maximum velocity (in m/s) of electrons ejected from a material by 86 nm photons if the…

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Q: What is the maximum velocity of a photoelectron emitted

A: Given data: Work function W=6.2eV The wavelength of ultraviolet light λ=181 nm

Q: Warm-blooded animals radiate much like a blackbody. Calculate the peak wavelength that each animal…

A: Given : bird body temperature = 41.7°C Human body temperature = 36.3°C Sloth body temperature =…

Q: • A laser used to weld detached retinas emits light with a wavelength of 652 nm in pulses that are…

A: Given that: λ=652 nm=652×10-9 mT=20 ms=20×10-3 sP=0.600 W

Q: A laser used to weld detached retinas emits light with a wavelength of 652 nm in pulses that are…

A: Given data The wavelength of the wave is given as λ=652 nm. The time duration is given as t = 20…

Q: What is the cutting potential of the ejected electrons when shining a monochromatic light with a…

A:

Rutherford's scattering experiment

Rutherford’s scattering experiment is also known as the gold foil experiment. This experiment disproved the plum pudding model of J.J. Thomson. In a gold foil experiment, high-energy alpha particles are made to strike a thin gold foil. The scattered alpha particles are detected using a detector. This experiment showed that the positive charge of the atom is at the center. Most of the atom’s mass is also confined to a small volume at the center. This region is known as the nucleus of the atom.