Search results
pubs.acs.org
- A photon is produced whenever an electron in a higher-than-normal orbit falls back to its normal orbit. During the fall from high energy to normal energy, the electron emits a photon -- a packet of energy -- with very specific characteristics. The photon has a frequency, or color, that exactly matches the distance the electron falls.
science.howstuffworks.com/light7.htm
A photon is produced whenever an electron in a higher-than-normal orbit falls back to its normal orbit. During the fall from high energy to normal energy, the electron emits a photon -- a packet of energy -- with very specific characteristics.
- Making Colors
He then passed sunlight through a second glass prism and...
- Pigments and Absorption
The absorption of light makes an object dark or opaque to...
- Incandescence
Probably the most common way to energize atoms is with heat,...
- Origin of Light
This light eventually dimmed and reddened until, finally,...
- Lasers
Here's where it got interesting. Maiman placed a fully...
- Making Colors
Oct 19, 2023 · The photons produced by a source of light come from the energy created when an electron transitions from a higher energy level to a lower energy level. If you peep inside a lamp or a tube light, you wouldn’t find a hidden army of uncountable photons ready to ambush on the switch’s command.
- 4 min
When energy in an atom is lost, it goes to a photon, which is a form of electromagnetic radiation. Find out how photons can give out a visible light with information from a science teacher in...
- 3 min
- 4.9K
- ExpertVillage Leaf Group
A photon (from Ancient Greek φῶς, φωτός (phôs, phōtós) 'light') is an elementary particle that is a quantum of the electromagnetic field, including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force.
- What Is A Photon?
- How Is A Photon produced?
- Why Does Photon Have Momentum?
- Applications of Photons
- Numericals on Photons
Photon, also known as light quantum, is a minute energy packet of electromagnetic radiation. The idea of photon arose in 1905 from Albert Einstein’s description of the photoelectric effect, in which he suggested the presence of discrete energy packets during the transmission of light. Einstein deduced that the light quantum could also be associated...
There are multiple ways to produce photons, but they utilise the same mechanism inside an atom. This mechanism concerns energising the electrons orbiting each atom’s nucleus. Typically, an electron has a predetermined orbit that it inhabits, but if we energise an atom, we can reposition its electrons to higher orbitals. A photon is produced when an...
We are aware of the fact that mass is just another form of energy from Einstein’s special relativity. A photon has momentum proportional to its energy even though it does not have mass. The photon momentum is derived from its energy and frequency as described by the Planck-Einstein relation E=hf. But since a photon is always moving at the speed of ...
Photons have many technological applications, some of which are discussed below: 1. Laser is an important application of photon. In a laser beam, photon beams move in the same direction at the same wavelength. This is achieved by transmitting the energised electrons through an optical “gain medium”, such as glass or a gas. 2. Planck’s energy formul...
A laser produces monochromatic light of frequency 8 × 1014 Hz. The power emitted is 2.0 ×10–3 W. What is the photon’s energy in the light beam? Solution: Each photon has an energy which is given by the formula: E = hν Substituting the values in the above equation, we get E = (6.63 × 10–34 J s) (6.0 × 1014 Hz) = 5.304 ×10-19J
16 hours ago · Photon Applications. Lasers: Lasers work by emitting photons of the same energy, creating a focused beam of light. This technology is used in everyday devices like barcode scanners and printers and even in medical treatments such as eye surgery (e.g., LASIK). Photosynthesis: In plants, photons from sunlight are absorbed by chlorophyll and other ...
Mar 5, 2024 · How are Photon Produced? Photons can be produced through various processes depending on the source of electromagnetic radiation. Production of photon is explained using the analogy, "Think of atoms like tiny solar systems: electrons orbiting around a nucleus. When we give these electrons a boost of energy, they jump to higher orbits.