Irodov – Problems in General Physics
where r is the distance from the dipole, 0 is the angle between the radius vector r and the axis of the dipole. Radiation power ...
vacuum the following relations hold: aE 2 OB OB aE at ax at^ ar 4.196. Find the mean Poynting vector (8) of a plane electromag- ...
direction of the Poynting vector outside the beam at a distance r from its axis. 4.206. A current flowing in the winding of a lo ...
Fig. 4.40. equals B = 1.0 T. Find the ratio of the energy lost by the proton due to radiation during its motion in the field to ...
4.222. A free electron is located in the field of a plane electromagne- tic wave. Neglecting the magnetic component of the wave ...
070 am A, Pin 040 0.45 050 055 ago 5.1. Photometry and Geometrical Optics Spectral response of an eye V 00 is shown in Fig. 5.1 ...
Relation between refractive angle 0 of a prism and least deviation angle a: sin a+0 0 2 — n sin 2 ' where n is the refractive ...
Principal planes H and H' are removed from the crest points^0 and 0' of surfaces of a thick lens (Fig. 5.3) by the following di ...
5.4. Determine the luminosity of a surface whose luminance depends on direction as L = Lo cos 0, where 0 is the angle between th ...
dent and reflected beams and the unit vector n of the outside normal to the mirror surface. 5.14. Demonstrate that a light beam ...
Fig. 5.6. 5.26. By means of plotting find: (a) the path of a light ray after reflection from a concave and convex spherical mirr ...
5.31. A point source is located at a distance of 20 cm from the front surface of a symmetrical glass biconvex lens. The lens is ...
tance 1=5.0 m. Then the screen was drawn closer to the lens by a dis- tance Al = 18 cm. By what distance should the object be sh ...
(a) the position of the point of convergence of a parallel ray incoming from the left after passing through the system; (b) the ...
H 0' p' 0 c; r 0' 0 'P r (^) S 4 5.51. By means of plotting find the positions of focal points and principal planes of aligned o ...
5.55. Calculate the positions of the principal planes and focal points of a thick convex-concave glass lens if the curvature rad ...
5.63. Find the curvature radius of a ray of light propagating in a horizontal direction close to the Earth's surface where the g ...
5.67. A system illustrated in Fig. 5.12 consists of two coherent point sources 1 and 2 located in a certain plane so that their ...
(b) the shift of the interference pattern on the screen when the slit is displaced by 6/ = 1.0 mm along the arc of radius r with ...
A fringe pattern is formed on a screen placed at a distance / = = 100 cm behind the diaphragm. By what distance and in which dir ...
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