References and Glossary

by NicholasKoh
Last updated 8 years ago


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Quarks: Sub-atomic particles that make up protons and nuetrons distinguished by their flavors, designated as up (u), down (d), strange (s), charm (c), bottom or beauty (b), and top or truth (t), and their colors, red, green, and blue.

Alpha particle: A positively charged particle consisting of two protons and two neutrons, emitted in radioactive decay or nuclear fission; the nucleus of a helium atom.

Spectroscope: an optical device for producing and observing a spectrum of light or radiation from any source, consisting essentially of a slit through which the radiation passes, a collimating lens, and an Amici prism.

Cathode-ray tube: a vacuum tube generating a focused beam of electrons that can be deflected by electric fields, magnetic fields, or both. The terminus of the beam is visible as a spot or line of luminescence caused by its impinging on a sensitized screen at one end of the tube

Protons: sub-atomic particles, part of the nucleus and negatively charged

Neutron: a sub-atomic particle that is electrically neutral

Quantum: a group of scientists who attempt to explain the behaviour of very small particles

Radioactivity: the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element.



Glossary and References



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