Mean free path in units g/cm^2

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Thread starter go quantum!
Start date May 22, 2011
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Mean Mean free path Path Units

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go quantum!

Thread starter
May 22, 2011

Hello. I have just read a mean free path (a distance) written in units g/cm^2. How do you interpret this unit in terms of the usual idea of the mean free path as a distance?

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chrisbaird

May 23, 2011

It looks more like a mean free path density than strictly a mean free path: (cm)x(g/cm^3). This would make sense because finding the mean involves averaging over many objects.

Mean free path in units g/cm^2

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Mean free path in units g/cm^2

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