irodov-problems_in_general_physics

nhe 2 /meo wok —w2 ' (5.5a) 5.5. Dispersion and Absorption of Light Permittivity of substance according to elementary theory of ...

2' Fig. 5.36. 5.204. An electron experiences a quasi-elastic force kx and a "fric- tion force" Tx in the field of electromagneti ...

solution is placed in a longitudinal magnetic field of strength H. The length of the tube is 1, the coefficient of linear absorp ...

5.219. A point source of monochromatic light emitting a luminous flux 1:1) is positioned at the centre of a spherical layer of s ...

5.225. A source of light moves with velocity v relative to a receiver. Demonstrate that for v. c the fractional variation of fre ...

5.236. A source emitting electromagnetic signals with proper frequency (00 3.0.10 10 s- 1 moves at a constant velocity v = 0.80 ...

(5.7d) u hco^3 1 ,11e (^3) efie)/kT (^) • 5.241. Demonstrate that the angle 0 between the propagation direction of light and ...

Compton effect: = anke (1 — cos 0), (5.7f) where R = hl me is Compton's wavelength. 5.246. Using Wien's formula, demonstrate t ...

48 0.7 45 0.4 43 as 5.253. A cavity of volume V = 1.0 1 is filled with thermal radia- tion at a temperature T = 1000 K. Find: (a ...

5.259. Making use of Planck's formula, derive the expressions determining the number of photons per 1 cm 3 of a cavity at a temp ...

of frequency Acs/coo of the photon at a very great distance from the star. 5.270. A voltage applied to an X-ray tube being incre ...

5.282. Explain the following features of Compton scattering of light by matter: (a) the increase in wavelength AA, is independen ...

PART SIX. ATOMIC AND NUCLEAR PHYSICS 6.1. Scattering of Particles. Rutherford-Bohr Atom Angle 0 at which a charged particle is ...

(a) the least curvature radius of its trajectory; (b) the minimum approach distance between the particle and the nucleus. 6.5. A ...

assuming the atomic number of silver and the atomic masses of both platinum and silver to be known. 6.12. A narrow beam of alpha ...

the nucleus along the circular orbits. Make sure that as n oo the frequency of the photon co (^) (on. 6.21. A particle of mass m ...

6.34. Calculate the Rydberg constant R if He ions are known to have the wavelength difference between the first (of the longest ...

(c) in a unidimensional potential field U = ax 2 /2, where a is a positive constant; (d) along a round orbit in a central field, ...

Coefficient of transparency of a potential barrier V (x): x 2 D exp [ — —^2. r V 2m (y — E) dx], x, where x 1 and x 2 are the ...

if the next maximum mirror reflection is known to be observed when the accelerating voltage is increased ri = 2.25 times. 6.61. ...