Subject: Physics - Popular Physics | Physics - Physics Education
The green house effect is caused by the gases which absorb infrared ray (IR) emitted by the earth. It is worthwhile if we can adjudicate on which gas causes the greenhouse effect in our class. For this purpose, one of our authors, Kaneko has designed an educational tool... View more
 F. Kaneko, H. Monjushiro, M. Nishiyama, and T. Kasai, Journal of Chemical Education, 3b2, Ver. 9, (2009) ed-2008000446
 A .G. Bell, Am. J. Sci. 20, 305 (1880); J. Tyndall, Proc. R. Soc. London 31, 307 (1881); W. C. Roentgen, Philos. Mag. 11, 308 (1881); A. G. Bell, ibid 11, 510 (1881)
 Intergovernmental Panel on Climate Change. Climate Change 2007: The Physical Science Basis; Cambridge University Press: Cambridge (2007)
 F. A. McDonald, and G. C. Wetsel, Jr. , J. Appl. Phys. 49, (4) p 2313- p 2322 (1978); F. A. McDonald, Am. J. Phys. 48 (1) (1980); Rosencwaig, Allan. Photoacoustics and Photoacoustic Spectroscopy. New York: John Wiley and Sons (1980); Philip M. Morse and K. U. Ingard, “Theoretical Acoustics” Princeton Univ. Press, Princeton New Jersey, (1968).
 We have analyzed the form of PA signal with its spectrum amplitude by using Tektronix TDS1012B.