Visible Spectrum: All Colors & Where Is Brown? - Physics Forums
Aug 25, 2004 · The visible spectrum of light, which ranges from approximately 380 nm to 750 nm, encompasses all colors perceivable by the human eye, yet does not include brown, as it is a mixture …
Is all EM radiation light? - Physics Forums
Dec 16, 2024 · The phrase "visible light" is used because the term "light" is ambiguous. The term "light" may indeed mean only the visible part of the electromagnetic spectrum or it may refer to the entire …
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 …
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 …
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 …
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?
Why Does UV Light Have More Energy Than Visible Light in an …
Jul 3, 2021 · The discussion centers on the energy differences between ultraviolet (UV) light and visible light in an emission spectrum, specifically referencing Niels Bohr's model of the atom. It is …
Why the Sun's Light is a Continuous Spectrum of Visible Range
Aug 12, 2010 · The light from the Sun is a nearly continuous spectrum primarily due to black body radiation at approximately 5780 Kelvin. While the Sun is composed mainly of hydrogen and helium, …
Does the color of an object change as it gets hotter?
Apr 15, 2018 · The color of an object does not cease to emit visible light as its temperature increases, even beyond 20,000 K. As temperature rises, the peak of the emitted radiation shifts to shorter …
Why do we see violet beyond blue in the spectrum?
Jun 24, 2011 · The discussion centers on the perception of violet light beyond blue in the visible spectrum, specifically addressing the roles of the three types of cones in human color vision: red, …