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Physics
The branch of science concerned with the properties of matter and energy and the relationships between them.
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Add a new termContributors in Physics
Physics > Electromagnetism 
gamma ray
Physics; Electromagnetism
A stream of electromagnetic radiation that is similar to x-ray but has shorter wavelength, is called gamma ray.
Rutherford
Physics; Electromagnetism
British scientist who discovered the atom's nucleus and electromagnetic radiations given off by the nuclei of radioactive elements.
radon
Physics; Electromagnetism
A radioactive chemical element that is a noble gas with no color or odor. Radon is made by the decay of radium.
radio wave
Physics; Electromagnetism
A wave of electromagnetic radiation that has wavelength that are longer than any other form of electromagnetic radiation.
radiation
Physics; Electromagnetism
Energy in the form of electromagnetic waves or streams of particles, such as photons, or electrons.
diode
Physics; Electromagnetism
A device that allows an electric current to flow in one direction only. They can be used to convert alternating current into direct current.
direct current
Physics; Electromagnetism
An electric current in which the electrons flow only in one direction and batteries use direct current.
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