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  1. 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

  2. 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 …

  3. 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 …

  4. 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?

  5. Photon's emmited by a 100w bulb. - Physics Forums

    Sep 4, 2008 · A 100w bulb radiates 5% of its power, equating to 5 J/s in the visible spectrum. To calculate the number of visible photons emitted per second, the frequency or wavelength of the light …

  6. 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 …

  7. Angular width of first-order visible spectrum - Physics Forums

    Mar 23, 2020 · Angular width of first-order visible spectrum Bolter Mar 23, 2020 Angular Spectrum Visible spectrum Width

  8. Calculating the Balmer Alpha Line: Atomic Hydrogen

    Jul 8, 2019 · Introduction Most readers acquainted with the hydrogen spectrum will be familiar with the set of lines in the visible spectrum representing transitions of electrons from energy levels 3,4,5 and …

  9. Transitions: Visible Spectrum & n=3 to n=1 - Physics Forums

    May 12, 2010 · Homework Statement Why don’t other transitions, like the n=3 to n=1 transition, appear in the visible spectrum? Homework Equations -None : Conceptual- The Attempt at a Solution I …

  10. Why is the Spectrum of Light Only 7 Colors? • Physics Forums

    May 3, 2005 · The visible spectrum of light is traditionally divided into seven colors: Red, Orange, Yellow, Green, Blue, Indigo, and Violet (ROYGBIV). This classification is largely arbitrary, influenced …