
Convert cm^-1 to eV: Solve with Solution - Physics Forums
2005年4月14日 · This gives us the conversion factor of 1 cm^-1 = 1/wavelength eV. Plugging in the value for wavelength (in meters), we get 1 cm^-1 = 1/(wavelength in cm * 0.01) eV. …
Formula for electric potential energy - Physics Forums
2014年4月20日 · In a velocity selector apparatus, i had an electric potential set across two points, and a proton at rest at one end. The potential was 350 V. My instructor used : qV = 1/2 mv^2 …
What is 'K' in K=1/4pi Epsilon 0? - Physics Forums
2011年8月27日 · B Is time travel... travelling from one 3 dimensional space time to another 3 dimensional space time?
Infinite Square Well with Multiple Particles - Physics Forums
2021年7月7日 · An infinitely deep square well has width L = 2.5 nm. The potential energy is V = 0 eV inside the well (i.e., for 0 ≤ x ≤ L). Seven electrons are trapped in the well. 1)What is the …
How do you find the temperature of an HII region? - Physics Forums
2025年3月6日 · I know from a table in my textbook that the cross-section for the ionized cloud is ##6.3*10^{-18} cm^2##, but I don't know L, the distance a particle travels, or n, the number of …
How Do You Convert kV to keV? - Physics Forums
2011年4月28日 · V is used for electromotive force, eV is energy and actually means the energy gained by an electron moving through a 1 V potential difference. So you can't really convert …
Particle in a 2D Box: Min Energy & Lowest Energies - Physics Forums
2011年1月9日 · It can be shown that the allowed energies of a particle of mass m in a two dimensional square box of side L are E =h 2 (n 2 +m 2)/8mL 2 The energy depends on two …
Answer "What Does C=Vλ Mean? Find Energy of Photon - Physics …
2009年12月5日 · Okay, I just need to grasp what the equation C = Vλ means . Correct me if I am wrong. c = speed of light v = speed of frequency λ = wavelength So if I wanted to find the …
Conduction Energy Band for Intrinsic Silicon - Physics Forums
2005年10月20日 · In an intrinsic semiconductor, Ef is the fermi energy and sits right in the middle of the band gap. Ec and Ev are the energy of the bottom of the conduction band and the …
What is v(dv/dx) and how does it relate to acceleration? - Physics …
2013年3月12日 · My mechanics syllabus suggests that we can model acceleration as ##v(dv/dx)## but what exactly does this mean? Can you give me (or link me to) some …