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X-rays | |||
X ray A penetrating electromagnetic radiation, usually generated by accelerating electrons to high velocity and suddenly stopping them by collision with a solid body, or by inner-shell transitions of atoms with atomic number greater than 10; their wavelength ranges from about 10(-5) angstrom to 10 angstroms, the average wavelength used in research being 1 angstrom (promieniowanie elektromagnetyczne odznaczające się zdolnością przenikania przez ciała nieprzezroczyste) |
promienie rentgenowskie : 3 phrases in 1 subject |
Chemistry | 3 |