katodni zraci

katodni zraci

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

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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

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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.

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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. ...

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

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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

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The number of protons in an atomic nucleus.

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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.

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subatomic particle composed of three quarks.

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

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