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1. Photon hits the light-harvesting complex in PSII and excites the electrons in chlorophyll a. 2. Excited electron goes into the primary electron acceptor, Results in P680+. 3. Water splits in oxygen - 2 electrons - 2 H+, H+ goes into the lumen, Electrons feed into P680+. 4.
A photon is a massless “packet” or a “quantum” of electromagnetic energy; What this means is that the energy is not transferred continuously, but as discrete packets of energy; In other words, each photon carries a specific amount of energy, and transfers this energy all in one go, rather than supplying a consistent amount of energy
This diagram shows three basic actions. The first, a photon goes from place to place, is illustrated by the line from 5 to 6. The second, an electron goes from point A to point B in space-time, is illustrated by the lines from 1 to 5, 5 to 3, 2 to 6, and 6 to 4.
In electrical wires, the current is a flow of electrons; Electrons are negatively charged; they flow away from the negative terminal of a cell towards the positive terminal; Conventional current is defined as the flow of positive charge from the positive terminal of a cell to the negative terminal
The kinetic energy of an ejected electron equals the photon energy minus the binding energy of the electron in the specific material. An individual photon can give all of its energy to an electron. The photon’s energy is partly used to break the electron away from the material.
18 gru 2014 · What are photons? Photons get emitted every time when a body has a temperature higher 0 Kelvin (the absolute zero temperature). All bodies, surrounding us (except black holes) at any time radiate. They emit radiation into the surrounding as well as they receive radiation from the surrounding.
10 sie 2016 · Light is made of discrete packets of energy called photons. Photons carry momentum, have no mass, and travel at the speed of light. All light has both particle-like and wave-like properties. How an instrument is designed to sense the light influences which of these properties are observed.
