In an experiment done by scattering 5.5-MeV ∝ particles from a thin gold foil, students fi nd that 10,000∝ particles are scattered at an angle greater than 50°. (a) How many of these  particles will be scattered greater than 90°? (b) How many will be scattered between 70° and 80°?

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A: Part-a Given: Breadth of the slit b = 300 nm. Distance of the screen d = 24 cm. Angle θ = ±20o.

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Q: If electrons are accelerated with an applied bias of 50,000 V, (a) What is the kinetic energy of the…

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Q: What fraction of 5-MeV - particles will be scattered through angles greater than 8° from a gold foil…

A: Given: The value of gold foil is Z = 79, density=19.3 g/cm3

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A: The energy loss is . Eloss=0.2 Mev/mm=0.2×106 eV/mm the final energy measured is 6 keV or 6000 eV.

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A: Given: The energy of electron beam = 8 MeV

Q: A beam of 7.7-MeV a particles scatters from a gold foil of thickness o 0.32 µm. (a) What fraction of…

A: Given, The energy of the alpha particle, E=7.7MeV Foil thickness, t=0.32×10-6m The atomic number of…

Q: In an experiment done by scattering 7.7-MeV a particles from a thin gold foil, experimenters find…

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Q: In an experiment done by scattering 5.5-MeV a particles from a thin gold foil, students find that…

A: Solution: The number of the scattered alpha particles of kinetic energy E has the following…

Q: (a) Find the momentum (in kg · m/s) of a 44.5 kev x-ray photon. kg m/s (b) Find the equivalent…

A: Given data, Energy of photon = 44.5 KeV Rest mass of photon = 0 Rest mass of neutron = 1.6x10-27 kg

Q: A beam of 7.7-MeV a particles scatters from a gold foil of thickness o 0.32 μm. What fraction of the…

A: Given : The energy of α particles = 7.7Mev  thickness of gold foil = 0.32μm

Q: Calculate the impact parameter for scattering a 7.7-MeV ∝ particle from gold at an angle of (a) 1°…

A: (a).  At angle 1° Impact parameter is given by ,b=Ze2cotθ24πε0E…

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Q: A parallel beam of 500-keV photons is normally incident on 0.8 cm sheet of lead (density = 11.4…

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Q: Find the fraction of 7.7-MeV α particles that is deflected at an angle of 90° or more from a gold…

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Q: Geiger and Marsden (1909) observed backward-scattered (θ ≥90°) α particles when a beam of energetic…

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Q: Problem 9: Rutherford Scattering A gold foil (5.9×1022 atoms/cm³) of "hair" thickness 80 µm is used…

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Q: 4.6 Electron plasma waves are propagated in a uniform plasma with KT, = 100 eV, n= 101 m-, and B=0.…

A: The frequency and wavelength are related by λ=vf where λ  is the wavelength f is the frequency v=2Km

Q: Protons of energy 5.4 MeV are incident on a silver foil of thickness 3.6 × 10-6 m. What fraction of…

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

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Q: An oil drop of 10 excess electrons is held stationary under a constant electric field 5x 104 V/m in…

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Q: The mean free path length of a 0.7-MeV photon in lead is closest to which of the following?…

A: Given: E=0.7 Mev =7,00,000 eV