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If a sample of a radioactive isotope has a half-life of 5 year(s), how much of the original sample will be left at the end of
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The "work function", or the minimum energy needed to eject an electron from the metal, can be expressed in several different
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What is the de Broglie wavelength of an electron that strikes the back of the face of a TV screen at 1/9 the speed of light?
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No glass is perfectly transparent. Mainly because of reflections, about 90% of light passes through an average sheet of clear
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