
Planck's Constant Conversions: J s to eV s - Physics Forums
Jun 2, 2009 · 1 eV is an amount of energy required to move an electron over 1 volt potential difference. Since qU = W, where q is the charge, U is the potential difference and W is the …
Converting eV to Joules vs eV to V - Physics Forums
Mar 26, 2015 · Homework Statement Is this true? Homework Equations 1 eV = 1.6e-19 J 1 V = 1.6e-19 eV The Attempt at a Solution I did a bit of googling and it just seems strange. eV …
Converting Electronvolt to Joule/Mole for Silicon Material: A Quick …
Jul 28, 2015 · Recall that 1.6*10^-19 J = 1 eV We can write 6.7 eV as 6.7 * 1eV. Substitute the 1eV from earlier and you get 6.7*1.6*10^-19 J. I'll leave the rest as an exercise, but if you get …
Calculate mass loss in fission of Uranium-235 - Physics Forums
Apr 27, 2013 · m=E/c^2=[(2 x 10^8 eV)(1.60 x 10^-19 J/eV)]/[3 x 10^8 m/s]^2=3.56 x 10-28 kg Certainly a small amount ...
Calculate Proton Energy in eV in Magnetic Field of 1.15T - Physics …
Apr 25, 2005 · E = (3.95 x 10^-14 J) / (1.60 x 10^-19 J/eV) = 2.47 x 10^5 eV This is the same value you got for the velocity, but you just need to divide by the conversion factor to get the …
Converting Energy to Mass: Understanding the Relationship …
Sep 4, 2023 · (1672 MeV/c^2) * c^2 = 1.505 * 10^20 MeV = 1.505 * 10^26 eV = 2.41 * 10^7 J Since E = mc^2, m = E/c^2 Therefore, m = 2.41 * 10^7 / (3 * 10^8)^2 = 2.68 *... Insights Blog -- …
Where did pi^2 go in this QM j/eV unit conversion? - Physics …
Jun 23, 2011 · Homework Statement Consider an electron of mass m=9*10^-30 kg in an infinite box of dimension a=10^-9 m. What is the energy difference between the ground state and the …
Frequency in units of inverse length? - Physics Forums
Jul 17, 2007 · One eV = 1.60217733*10^-19 J = [J/eV] So [eV/J] = 1/1.60217733*10^-19 = 6.24150636*10^18. We can relate the dimensional units as: Joules = hbar [Js] * Wave …
Compare and contrast a 2.2 eV photon with a 2.2 eV electron
Mar 19, 2017 · Compare and contrast a 2.2 eV photon with a 2.2 eV electron in terms of Energy(J) Rest mass (Kg) Speed (m/s) Wavelength (m) Momentum (kgm/s) For each, write a …
E=mc^2 Conversion to eV=u: What Happens to the Distance Units?
Nov 22, 2015 · What happens to the distance units when E=mc 2 is converted from joules=(kg)(m/s) 2 into eV=u? Where eV is electron volts and u is atomic mass units. …