Task 4.4
The kinetic energy of a proton is three times less than its rest energy. What is the De Broglie length
Wave proton?

Task 4.14
Calculate the minimum uncertainty of the coordinate of the proton at rest?
Task 4.24
The hydrogen atom is in an infinitely deep one-dimensional potential well 0.1 m wide.
Calculate the energy difference of neighboring levels corresponding to the average energy of thermal motion
Atom at a temperature of 300 K.

Task 4.34
Find the ionization potential of a doubly ionized lithium atom?

Task 4.44
Calculate the mass defect, the binding energy and the specific binding energy of the 4820Ca nucleus.
Task 4.54
Calculate the thickness of the protective lead layer, which weakens the intensity of gamma-
Photons with an energy of 2 MeV in 5 times.

Task 4.64
Gold has a face-centered cubic lattice. Find the lattice parameter and the distance between
Nearest neighboring atoms. The density of gold is 19.28 g / cm3.
Task 4.74
The specific heat of molybdenum at 25 K is 3.47 J / (kg • K). Calculate by value
The heat capacity of the Debye temperature of molybdenum