Really you can first describe the shape of some wave, be it plane or spherical, or a wavepacket, and then assign one photon to that spread-out function (called a, @KushalShah real particles , not field theoretical bases, are wave packets made up of plane waves about a central wavelength. What is difference between photon and electron? Calculators Solve . Photons are neutrally charged, massless particles that make up light. In fact, they are both explained by the same theory, called Quantum Electrodynamics. How do we decide when a small sample is statistically significant or not? Wave or particle? Bernoulli equation derivation with examples and applications, Continuity equation derivation in fluid mechanics with applications, Newton’s law of universal gravitation formula, Newton’s First law of Motion Examples in Our Daily Life, Newton’s Second Law Definition and Formula, Newton’s Third Law of Motion Examples in Daily Life, Newton’s three laws of motion with examples and applications, Ampere’s law and its applications in daily life, Formula for ohm’s law with example and problems. Use MathJax to format equations. Another electron fills its hole, and thus current is created. Electrons moving back and forth in a transmitter antenna are often used to create radio waves, which are a form of light. Solar cells create movement among electrons, not new electrons.
During the fall from high-energy to normal-energy, the electron emits a photon — a packet of energy — with very specific characteristics. Momentum of the photon with frequency ν is: An electron cannot move the velocity of light. Note: If the photon's energy (hf) is less than the work function (), no electron will be emitted. 565 60. Creating a new user breaking existing permissions. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa.
Does one create the other? This photon can undergo pair production, where it will form a pair of electrons, its not limited to electrons, muons, tau leptons, and pairs of quarks can be formed through this method, providing various conservation laws are obeyed. The work function is sometimes denoted . Momentum of the photon with frequency ν is: P=hν/c. How can I model a decorative serving tray?
New comments cannot be posted and votes cannot be cast. You are simply mistaken about the photon case. What is difference between free and forced oscillations? Ask a science question, get a science answer. A photon of light is produced whenever an electron in a higher-than-normal orbit falls back to its normal orbit. Double Slit Experiment : Photon vs Electron, hyperphysics.phy-astr.gsu.edu/hbase/Waves/wpack.html, https://en.m.wikipedia.org/wiki/Double-slit_experiment, iopscience.iop.org/article/10.1088/1367-2630/15/3/033018, Is Time Significant in the Double Slit Experiment, How two photons interfere in a double slit experiment, Double slit experiment; evidence of wavefunction collapse, Rayleigh Criterion in Young's Double Slit Experiment, How do you detect a photon double slit experiment.
The motivation of this question is to understand the difference between the wave nature of electrons and photons. Do you get advantage on the Steel Wind Strike spell's attacks because you "vanish"? You only see the photons, but electrons moving through air are the root cause of lightning. So we know for a fact that an electron is a particle. I; Thread starter FallenApple; Start date Jan 26, 2017; Jan 26, 2017 #1 FallenApple.
That is almost right.
@KushalShah For photons , too if the separation is much larger than the wavelength of its frequency (E=hnu) there will be only single slit diffraction at the projection of each slit. To a frequency a wavelength can always be assigned: On the left the footprint of photons seems random, but the probability distribution, which is the emergent interference pattern, shows that the probability amplitude of a photon being found at the (x,y) of the screen has information about the wavelength of emergent light. https://en.m.wikipedia.org/wiki/Double-slit_experiment.
Here is a double slit experiment with single photons at a time. That might sound intimidating, but a famous physicist, Richard Feynman, gave a short series of lectures on the subject intended for laymen audiences. What do you mean by Thermal conductivity? Momentum of electron with mass ‘m’ moving with velocity ‘v’ is. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. At least in fluorescent lighting. Because of the mass-energy relationship E=mc 2, you can attribute the mass E/c 2 to the photon, and now it is much less than the mass of the electron. But if the slit separation is much higher than the electron position uncertainty, would not we get only a diffraction pattern since the electron probability distribution function would essentially go through one slit.
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