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Shorter wavelength = more energy. The farther the electron falls, the more energy that will be emitted.
No. It shows a simple 2 dimensional image formed by the optical wavelength EM energy (light) reflected (absorbed and re-emitted) by your body.
it accelerate the motion of electron emitted by the filament if given a positive charge, similarly if negative voltage to grid the current flow through the grid is reduced. the more positive grid shows less current.
Beta particles can be either positive or negative. It depends if an electron or a positrion is emited. Usually though, beta particles are negative as it is much more common for an electron to be emitted (though that does depend on the substance).
a beta particle
It is negative beta particle emitted by a uranium nucleus and converting it to neptunium nucleus.
A positive electron (positron) is emitted.
An alpha particle is emitted when Pt-190 decays to Os-186. An alpha particle has a mass number of 4, and an atomic number of 2. When Pt-190 decays to Os-186, the mass number drops by 4, showing that an alpha particle is emitted, along with energy. The other form of particle that could be emitted is a beta particle, which has a mass number of 0. The difference between 190 and 186 is 4, thus showing the emission of an alpha particle. Source: High School Chemistry class
An Alpha particle
U-235 emits beta particles as part of typical radioactive decay. When a beta particle is emitted, an electron is emitted and a neutron is converted into a proton.
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beta
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Photons interact with matter as a particle; for example, photons can be absorbed and emitted by electrons.
Total charge is always conserved. If an electron is emitted, the remaining particle's charge will change by +1. If a positron is emitted, the remaining particle's charge will change by -1.
Plasma