Radioactive dating-Determining of age of a sample
In the radioactive dating we use half life to find out the age of a sample however not average life why? Describe.
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It is the quantitative measure in which we compare and contrast the quantity of a radioactive substance in the sample to that in the atmosphere or fresh substance. That is the reason why we use half life to find out the age of a sample in radioactive dating.
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Hoop conjecture (K.S. Thorne, 1972): The conjecture (as so far unproven, although there is substantial proof to support it) that a non-spherical object, non-spherically compressed, will only form a black hole whenever all parts of the
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Planck radiation law: The law which explained blackbody radiation better than its precursor, therefore resolving the ultraviolet catastrophe. This is based on the supposition that electromagnetic radiation is quantized.
Joule: J (after J.P. Joule, 1818-1889): The derived SI unit of energy stated as the quantity of work done by moving an object via a distance of 1 m by exerting a force of 1 N; it therefore has units of N m.
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Explain in brief that the gas encompass density or not?
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Write down the vital difference between the electron and a beta ray?
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