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How many elements are there in a row between those whose wavelength of k_(alpha) lines are equal to 250 and 179 p m? |
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Answer» Solution :We calculate the `Ƶ` values CORRESPONDING to the given wavelength using Moseley's law.See problem (134). Substitution GIVES that `Ƶ=27` corresponding to `lambda=179 p m` There are thus three elements in a row between those whose wavelengths of `K_(ALPHA)` LINE are equal to `250 p m` and `179p m)`. |
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