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Radiation Biological damage and Bohr model of atoms

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1. An electron drops from the L shell to the K shell and gives off an X-ray with a wavelength of 0.0205 nm. What is the atomic number of this atom?
Answer 78

2. A radioactive substance has a decay constant equal to 8.9x10^-3s-1. What is the half-life of this substance?
Answer 78sec

3. How many rad of 200-keV X-rays cause the same amount of biological damage as 50 rad of heavy ions? Explain please.
Answer 1000 rad.

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Response is in a word file QM.doc. Following is only the text part of the solution.

1. An electron drops from the L shell to the K shell and gives off an X-ray with a wavelength of 0.0205 nm. What is the atomic number of this atom?
Answer 78

2. A radioactive substance has a decay constant equal to 8.9x10^-3s-1. What is the half-life of this substance?
Answer 78sec

3. How many rad of 200-keV X-rays cause the same amount of biological damage as 50 rad of heavy ions? Explain please.
Answer 1000 rad

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1. An electron drops from the L shell to the K shell and gives off an X-ray with a wavelength of 0.0205 nm. What is the atomic number of this atom?
Answer 78

From Bohr's model one can show, for an ...

Solution Summary

Solution is provided in a 4-page word document, with great detail. Each step is clearly shown. Equations are typed using Equation editor.

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