Atomic physics and nuclear physics. Elements of quantum fur

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Uploaded: 27.07.2013
Content: 30727123618977.doc (144,5 kB)
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1. Derive the formula for the total energy of the electron in the ground state of the hydrogen atom and calculate the energy in electron volts.

2. At what rate should move electron, neutron and a particle with a mass of 1 g, corresponding to their wavelength equal 101010 m?

3. In the cloud chamber moves α-particle with an energy of 2 MeV, forming a track width of 0.1 mm. The speed of the particle is determined with an accuracy of 1%. Do I need in this case to take into account the wave properties of particles? The weight α-particle is 6,67 ∙ 1024 kg.

4. The electron is in a one-dimensional, infinitely deep potential box of width L = 10-10m. Find a minimum difference of the energy levels of the electron in the box.

5. The binding energy of helium isotope is 27.3 MeV. Find the energy density of the nucleus.

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