We present a simple and cheap experimental setup that clearly shows how the colors of the white light spectrum after passing a prism do not recombine when emerging from an identical second prism, as it is still found in many references.
References
1.
Trishna Knowledge Systems
, The IIT Foundation Series - Physics Class
9
, 2nd ed. (Pearson India Education Services Pvt. Ltd
., 2012
), Fig. 9.53.2.
M. C. Vidal
Fernández
and D. Sánchez
Gómez
, Física
, 2° Bachillerato, Serie Investiga (Santillana
, 2016
), Fig. 6.41.3.
F. S.
Crawford
, “Variations on a famous white-light experiment of Isaac Newton
”, Am. J. Phys.
39
, 1538
–1539
(Dec.
1971
).4.
T.
Greenslade
Jr., “Spectrum recombination
”, Phys. Teach.
22
, 105
–108
(Feb.
1984
).5.
Institute of Physics
, Practical Physics - Demonstration Spectrum
(2007
), http://practicalphysics.org/demonstration-spectrum.html.6.
University of Maryland, Physics Lecture Demonstration Facility, N1-21: Color separation and recombination by prisms
, https://lecdem.physics.umd.edu/n/n1/n1-21.html; N1-22: Optical board - prisms - separate and recombine, https://lecdem.physics.umd.edu/n/n1/n1-22.html.7.
M.
Sagendorf
, Two Prisms: Four Demos, Educational Innovations
, http://blog.teachersource.com/2011/11/26/two-prisms-four-demos/.8.
A.
Richter
, Spectroscopy Beyond the Visible Spectrum: The Sodium Chloride Prism, University of Toronto Scientific Instruments Collection
, https://utsic.escalator.utoronto.ca/home/blog/2014/10/15/spectroscopy-beyond-the-visible-spectrum-the-sodium-chloride-prism/.9.
R.
Garcia-Molina
, “¿Recomposición de la luz blanca?” Question number 23 of Simple+mente física
(2002
), http://bohr.inf.um.es/miembros/rgm/s+mf/23s+mf.pdf.10.
University of Iowa, Recombining the Spectrum – Prisms Code (Number: 6F10.30)
, http://faraday.physics.uiowa.edu/optics/6F10.30.htm.11.
C.
Jargodzki
and F.
Potter
, Mad about Physics. Braintwisters, Paradoxes, and Curiosities
(Wiley
, 2001
), Question 58: Prisms.12.
H. D.
Young
, R. A.
Freedman
, and A. L.
Ford
, Sears and Zemansky’s University Physics
, 12th ed. (Pearson
, 2008
), Problem 33.58.13.
E. R.
Jones
and R. L.
Childers
, Contemporary College Physics
(Addison-Wesley
, Reading, MA
, 1993
), Fig. 22.16.14.
Massachusetts Institute of Technology
, MITK12Videos: Newton’s Prism Experiment
, https://www.youtube.com/watch?v=uucYGK_Ymp0.15.
D. L.
MacAdam
, “Newton’s theory of color
”, Phys. Today
38
, 11
–14
(April
1985
).16.
F. T.
Pregger
, “Recombination of spectral colors
”, Phys. Teach.
20
, 403
–404
(Sept.
1982
).17.
I.
Newton
, “A letter of Mr. Isaac Newton, professor of the Mathematicks in the University of Cambridge; Containing his new theory about light and colors: Sent by the author to the publisher from Cambridge, Febr. 6. 1671/72; In order to be communicated to the R. Society
”, Phil. Trans. R. Soc. Lond.
6
, 3075
–3087
(1671
).18.
19.
The Newton Project
, http://www.newtonproject.sussex.ac.uk/prism.php?id=45.20.
D.
Brewster
, Memoirs of the Life, Writings, and Discoveries of Sir Isaac Newton
, Vol. I
(Thomas Constable and Co.
, 1855
).21.
A. A.
Mills
, “Newton’s prisms and his experiments on the spectrum
”, Notes Rec. R. Soc. Lond.
36
, 13
–36
(1981
).22.
A. E.
Shapiro
, “Experiment and mathematics in Newton’s theory of color
”, Phys. Today
37
, 34
–42
(Sept.
1984
).23.
C. C.
Silva
and R. A.
Martins
, “Newton’s color theory: An example of the use of the History of Science in classroom situations
”, Ciência & Educação
9
, 53
–65
(2003
).24.
P.
Fara
, “Newton shows the light: A commentary on Newton (1672) ‘A letter … containing his new theory about light and colours…
,’” Phil. Trans. R. Soc. Lond. A
373
, 20140213
(2015
).25.
S.
Grusche
, “Revealing the nature of the final image in Newton’s experimentum crucis
”, Am. J. Phys.
83
, 583
–589
(July
2015
).26.
J.
Avison
, The World of Physics
, 2nd ed. (Thomas Nelson and Sons Ltd.
, 1989
). Fig. 2.11; https://books.google.es/books?id=DojwZzKAvN8C&printsec=frontcover&hl=es&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false.27.
M.
Alonso
and E. J.
Finn
, Physics
, Revised ed. (Pearson Education Ltd.
, 1992
), Fig. 33.29b.© 2018 American Association of Physics Teachers.
2018
American Association of Physics Teachers
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