Peter Pesic 2005 Eur. J. Phys. 26 183 doi:10.1088/0143-0807/26/1/018
Peter Pesic
Show affiliationsNaked-eye determinations of the visual range yield order-of-magnitude estimates of Avogadro's number, using an argument of Rayleigh. Alternatively, by looking through a cardboard tube, we can compare airlight and skylight and give another estimate of this number using the law of atmospheres.
33.20.Fb Raman and Rayleigh spectra (including optical scattering)
Issue 1 (14 January 2005)
Received 13 August 2004, in final form 18 October 2004
Published 29 December 2004
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