Reflection and refraction of electromagnetic waves (1976)

Documentary №71148, 1 part, duration: 0:09:58
Production: Lennauchfilm (LNF)
Camera operators:Z.Preobrazhenskaya



The film was shot by order of the Ministry of Higher and Secondary Special Education of the USSR on the topic of electromagnetic waves. Reflection and refraction of waves.

Reel №1

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The drawing is the refraction of light when it hits the surface of water.

The concept of a transverse wave.

Cartoon explaining the law of linear polarization of an electromagnetic wave.

A cartoon explaining the fluctuations of bound and free charges.

Oscillations of bound charges can be represented as periodic displacements of the orbits of electrons relative to the nuclei.

Free electrons oscillate relative to their average position.

These charges create a secondary field.

The concept of a common field in the environment.

The formula of the phase velocity of the resulting field.

Propagation of plane waves in a dielectric.

Losses during wave propagation in a medium where there are free charges.

This leads to wave attenuation and phase shift.

Formulas of conduction current and displacement current.

The concepts of conductor, dielectric and semiconductor.

The formula of the characteristic resistance of the wave.

Formation of reflected and refracted waves when waves of perpendicular polarization fall on the boundary of two media in which there are no losses.

Snellius' laws.

Reflection and refraction coefficients.

A graph of changes in the modules of these coefficients depending on the angle of incidence of the wave.

The fall of a wave with parallel polarization.

Brewster's corner.

Propagation of electromagnetic waves in an ordinary environment.

Key words

Polarized electromagnetic waves.
The intensity of the electromagnetic field.
Angles of reflection and refraction of waves.

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