katodni zraci

katodni zraci

Negatively charged particles (electrons) that are emitted from a negative terminal in an evacuated glass tube.

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Nozare/domēns: Physics
Category: General physics
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x-zraci

Astronomy; Mars

Very short wavelength radiations beyond the ultraviolet in the spectrum, which are about one ten-thousandth as long as the visible violet and are extremely penetrating.

x-zraci

Art history; Visual arts

A photograph using an x-ray. X-ray images have been used to identify what lies under the surface of a painting, including prior works or studies and sketches.

X-zraci, rendgenski zraci

Chemistry; General chemistry

A very high energy form of electromagnetic radiation (though not as high energy as gamma rays ). X-rays typically have wavelengths from a few picometers up to 20 nanometers. ...

katodni zrak

Chemistry; General chemistry

A negatively charged beam that emanates from the cathode of a discharge tube. Cathode rays are streams of electrons.

gama zraci

Chemistry; General chemistry

A very high energy form of electromagnetic radiation , typically with wavelengths of less than 3 pm. Gamma rays are produced by certain nuclear decay processes, and are used to ...

jedinica atomske mase

Physics; General physics

It is equal to one-twelfth the mass of C -12 isotope of carbon, 1 amu = 1.66x 10-27 Kg.

atomski broj

Physics; General physics

The number of protons in an atomic nucleus.

balmerove linije

Physics; General physics

Lines in the spectrum of hydrogen atom in visible range, produced by transition between n 2 and n = 2, n is the principal quantum no.

bar

Physics; General physics

A unit of pressure, equal to 105 Pascals.

barion

Physics; General physics

subatomic particle composed of three quarks.

takt

Physics; General physics

A phenomenon of the periodic variation in the intensity of sound due to superposition of waves differing slightly in frequency.

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Flojd Mejveder

Born Floyd Sinclair on February 24, 1977, an American professional boxer. He is a five-division world champion, where he won nine world titles in five ...