Alpha particles of energy 8.4 MeV are incident on a silver foil of thickness 6.5 x 10-6 m. For a certain value of the impact parameter, the alpha particles lose exactly half their incident kinetic energy when they reach their minimum separation from the nucleus. Find the minimum separation, the impact parameter, and the scattering angle.
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Q: Alpha particles of energy 8.4 MeV are incident on a silver foil of thickness 6.5 μm. For a certain…
A: Detailed answer shown belowExplanation:Here's a comprehensive solution to the problem of alpha…
Alpha particles of energy 8.4 MeV are incident on a silver foil of thickness 6.5 x 10-6 m. For a certain value of the impact parameter, the alpha particles lose exactly half their incident kinetic energy when they reach their minimum separation from the nucleus. Find the minimum separation, the impact parameter, and the scattering angle.
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- What is the closest distance a 7.5 MeV alpha particle can reach when incident on a gold foil?In a Rutherford scattering experiment, an a-particle (charge = +2e) heads directly toward a gold nucleus (charge = +79e). The α-particle had a kinetic energy of 5.0 MeV when very far (r→ ∞) from the nucleus. Assuming the gold nucleus to be fixed in space, determine the distance of closest approach. Hint: Use conservation of energy with PE =kq1q2/r.In tokamaks, strong B fields are necessary for confinement. If a tokamak has a minor radius of 0.6m, and the Deuterium ions are at 200 kev, find out if confinement can be achieved with a 5T field.
- Calculate the density of a material if the number of gamma photons decreases from 5206 to 2210 after passing through the material. Select one: D = 0.42 O D= 0.56 O D= 0.37 D= -0.32A certain medium has the following properties: Σs = 0.1 cm−1,Σa = 0.01 cm−1. a) What is the probability that a neutron will travel 1 cm in this medium without interacting with a nucleus? b) If the neutron speed is 2 ×105 cm s−1, what is the average time between scattering collisions?3. a) Alpha particles of the same initial speed are shot at the same intensity toward gold, silver, and aluminum foils of the same thickness. They are observed at a detector at a fixed scattering angle, 0 0°. What would the ratios of the number of alpha particles scattered by the gold and silver foils to the aluminum foil, No Au 13). NaAl and respectively, be? (ZAu = 79, ZAg = 47, ZAI Na Ag NaAl b) Compare the number of a particles of fixed kinetic energy scattered through an angle of 10° (call this Na(10°)) with the number scattered through an angle of 20° (Na (20°)) for Rutherford scattering by a thin gold foil of fixed thickness. Compute Na (10⁰) Na (20°). p2 Rutherford's scattering model assumes that the alpha particles experience a Coulomb repulsion, F = KqZe from the nucleus of the foil's atom. If, in a head-on collision the alpha particle has enough energy to get inside a uniformly charged Kqa Zer nucleus of radius R, the force law would change to F = R³ " point-nucleus…
- An a particle is emitted by a 230 Th nucleus. Assuming the potential to be purely Coulombic beyond the point of separation, the height of the Coulomb barrier is MeV (up to two decimal places). e? =1.44 MeV-fm, r, =1.30 fm ) 4T EoNow the energy of a neutrino is measured at a specific time. If the uncertainty in the time measurement is 2.31 x 10-24 seconds, what is the minimum uncertainty in the energy?The speed of the alpha particles in Rutherford experiment was 0.01c, the scattering material was gold. What was the impact parameter of the alpha particle scattered by 60°?
- In a scattering experiment, you concentrate on Alpha particles with impact parameters b=0, 1×10^-3, and 1×10^0 mm. For which b will the behavior of the Alpha particle be very different in Thomson's and Rutherford's models and for which will it be nearly similar?https://www.compadre.org/PQP/quantum-need/prob4_5.cfm *Link to HW problemتحويل الصوت إلى نص محادثة كاميرا ( الإنجليزية Q4: Using the principle of precision, prove the impossibility of electrons being present in the nucleus, noting that the nucleus diameter is described as 104 |