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D |
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Decay constant | ||
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Decay constant - the probability per unit time for a nucleus to decay | ||
Decay series | ||
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Decay series - the sequence of decays that occurs until a radioactive element reaches a stable nuclide | ||
Destructive interference | ||
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Destructive interference - the superposition of two identical waves that arrive at a point 180° out of phase | ||
Dielectric | ||
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Dielectric - insulator that shows charge polarisation | ||
Diffraction | ||
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Diffraction - the spreading of a wave past an aperture or an obstacle | ||
Diffraction grating | ||
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Diffraction grating - a series of very many and very narrow slits | ||
Diode | ||
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Diode - a device that lets current through it only in one direction | ||
Diode bridge rectifier | ||
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Diode bridge rectifier - a circuit that achieves full-wave rectification | ||
Dipole | ||
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Dipole - a pair of two equal and opposite electric charges | ||
Direct current (dc) | ||
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Direct current (dc) - current in which electrons move in the same direction with the same average drift speed | ||