Visible Spectrum and the Compton Effect - Physics Forums
Sep 23, 2003 · The energy of the photon also determines the momentum of the photon. That is, a high energy photon is a high momentum photon. In the Compton effect, an electron recoils after a …
Visible Spectrum: All Colors & Where Is Brown? - Physics Forums
Aug 25, 2004 · Visible Spectrum: All Colors & Where Is Brown? daveed Aug 25, 2004 Spectrum Visible spectrum
Understanding Bohr’s Helium Lines - Physics Forums
Aug 16, 2019 · Bohr predicts that, in a star or in a vacuum tube containing hydrogen and helium and under proper conditions of excitation, the resulting spectrum will appear as in Figure 4. The heavy …
Diffraction Grating, calculating rulings/mm from spectrum
Dec 6, 2009 · Homework Statement Assume that the limits of the visible spectrum are arbitrarily chosen as 430 and 680 nm. Calculate the number of rulings per millimeter of a grating that will spread the …
Why an object has the color complementary to the color absorbed?
Dec 5, 2012 · Hello, I know from UV/VIS spectroscopy that for many solutions a single frequency from the visible spectrum is absorbed. The color of such a solution is...
Are There REALLY Infinite Colours? • Physics Forums
Feb 25, 2010 · The discussion centers on whether there are infinite colors within the visible spectrum, defined by wavelengths between 380 nm and 750 nm. While fractional wavelengths suggest a vast …
Index of refraction of different wavelengths - Physics Forums
Dec 13, 2011 · Homework Statement Monochromatic light of variable wavelength is incident normally on a thin sheet of plastic film in air. The reflected light is a maximum only for 482.9 and 676.0 in the …
Does Glass Absorb Light in the Visible Spectrum? - Physics Forums
Jan 22, 2004 · hey guys i found this little bit of info about glass and i was wondering if it is true or not. the statement was: the energy levels of the individual atoms in glass are not such that they absorb …
Mean colour of visible spectrum? - Physics Forums
Jan 20, 2015 · How the Mean colour of visible spectrum is yellow? Shouldn't that be green according to acronym VIBGYOR?
Problem with wave optics - diffraction grating? - Physics Forums
Feb 22, 2015 · Homework Statement For your science fair project, you need to design a diffraction grating that will disperse the visible spectrum (400-700nm) over 30...