decibelna skala

decibelna skala

A nonlinear scale of loudness based on the ratio of the intensity level of a sound to the intensity at the threshold of hearing.

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Category: General physics
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Torino skala

Astronomy; Planetary science

The official scale (created by Professor Richard P. Binzel and formalized in Torino, Italy in 1999) for categorizing the Earth impact hazard for asteroids and comets. Values range ...

apsolutna skala

Physics; General physics

Temperature scale set so that zero is at the theoretical lowest temperature possible. This would occur when all random motion of molecules has ceased.

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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Džon Lenon

John Lennon, (9 October 1940 – 8 December 1980) was a celebrated and influential musician and singer-songwriter who rose to worldwide fame as one of ...