Physics

Radiation

Radiation is a term overused by people who are fascinated and well-versed in the field of science. It can very well be considered a household term especially with the arrival of computers and mobile phones. People normally perceive radiation to be harmful; but little do they know that without radiation all things would cease to […]

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Radial Velocity

essay writer website Photo by: ESO Creative Commons What do Christian Doppler and Albert Einstein have in common? Simple, they are both instrumental in weather forecasting through their contributions to the information people know about radial velocity. Without understanding how radial velocity works, warnings about tornadoes and hurricanes are not possible.

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Tidal Force

Tidal force is a secondary effect of gravitational force and its most common manifestation, at least on the planet Earth, are tides. Tidal force, by technical definition is the differential force of gravity which arises because the force exerted on one body by another is not constant across the diameter in that the side which

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Visible Light

Photo by: Zedh Creative Commons The small field found at the wide range of frequencies of electromagnetic radiation is called visible light. It can be discerned by the naked eye and has wavelengths measured to be from 780 nanometers to 390 nanometers. Each wavelength has a particular color and when that specific wavelength hits one’s

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Electron

An Electron is the negatively charged subatomic particle. Electrons can be free, like those travelling in an electric current. They can also be bound to an elemental atom. The symbol generally used for this particle is ?e-.? It is virtually weightless when compared to the protons and neutrons. Studies have shown that its weight is

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Electron Volt

The Electron Volt (eV) is a unit of measuring energy. Remember that for electrons to move, there must be a potential difference or voltage. The electron volt refers to the gained kinetic energy of a single free electron, as it accelerates in a 1-volt potential difference. One eV is approximately 1.602?10?19 J. For astrophysics, the

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