Find the ratio of alpha particles scattering at any angle

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SUMMARY

The discussion focuses on calculating the ratio of alpha particles scattering at any angle, emphasizing that the number of scattering nuclei per unit area (nt) is crucial for the analysis. It is clarified that since the problem requires a ratio, the specific value of nt will cancel out in the final result. The participant expresses uncertainty about the thickness (t) of the material, but it is established that this does not affect the outcome of the ratio calculation.

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skiboka33
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I'm working on a problem in which I'm asked to find the ratio of alpha particles scattering at any angle (assuming equal numbers of scattering nuclei per unit area)

now I realize that nt = scattering nuclie per unit area. Does this mean that the above restriction sets nt to 1? Wondering because I have the information to find n (atoms/volume) but there is not thickness, t given in the problem. I'm a little new to this material so any help would be appreciated. Thanks.
 
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Since you are asked to find a ratio, nt should cancel in your final answer.
 

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