How come light can't travel in a conductor
Web3 Answers. Light acts on the metal and makes the electrons move. This, however, results in an energy loss, as the electrons feel a resistance and thus the radiation loses energy. … WebAnswer: Not for DC. A changing electrical current (AC) experiences the skin-effect where the electricity flows more easily in the surface layers. The higher the frequency the thinner the surface layer that is usable in a wire. At normal household AC (50/60hz) the skin depth is about 8-10mm but a...
How come light can't travel in a conductor
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Web3 de mar. de 2024 · electromagnetic radiation, in classical physics, the flow of energy at the universal speed of light through free space or through a material medium in the form of the electric and magnetic fields that make up electromagnetic waves such as radio waves, visible light, and gamma rays. In such a wave, time-varying electric and magnetic fields … Web1 Answer. You can't measure speed of electrons from these data alone. If the area of the cross section of a cylindrical conductor is A then the formula would be v = I Q e A where Q is the mobile electrons per cc and e is the charge of electron, v is the speed of electron, I is the current. This is for dc.
WebAnswer: To give a short answer ideal metals are perfect reflectors of light. So the wave will just reflect. To give a slightly longer answer, an ideal metal is considered to have a huge … WebAlso: LIGHT IS FAST, nothing travels faster than light. vast. In an hour, light can travel 671 million miles. Earth is about eight light minutes from the Sun. A trip at light-speed to the very edge of our solar system – the farthest reaches of the Oort Cloud, a collection of dormant comets way, way out there – would take about 1.87 years.
Web20 de dez. de 2024 · Light is a form of energy, like heat and sound. But what is really unique about light is how it travels and how it gets from one place to another so quickly. Think about this: sound is really fast ... WebAnswer (1 of 6): Thank you for the A2A. Let me first get a few things straight in the question posed. 1. EM waves cannot pass through good conductors : Correct 2. Mobile signals …
WebThey travel in the same direction, same speed, as shown in Fig. 20.1. What is the approximate distance of a thunderstorm when you note a 3 second delay between the flash of lightning and the sound of thunder? Assuming that the speed of sound in air is about 340 m/s, in 3 seconds it will travel 340 m/s X 3 seconds = 1020 m.
Web21 de jan. de 2024 · The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light. tru first aid williams lakeWeb13 de jan. de 2024 · The light we can see with our eyes is part of a range of radiation known as the electromagnetic spectrum. Shorter wavelengths of light are higher energy, and longer wavelengths of light are lower energy. The Hubble Space Telescope sees primarily visible light (indicated here by the rainbow), as well as some infrared and … philip lawrence: bruno mars splitWeb29 de mai. de 2024 · Light travels at a blistering 670 million mph — a speed that’s immensely difficult to achieve and impossible to surpass. But some particles are being accelerated to incredible speeds, some even reaching 99.9% the speed of light. Studying these superfast particles can help protect missions exploring the solar system. philip layfield trialWeb11 de jan. de 2012 · 01 how does light travel. Jan. 11, 2012. • 4 likes • 9,944 views. Download Now. Download to read offline. Education Travel Technology. We can't see without light, light is all around us. Light travels faster than sound. Ms Yam. philip leaverWebOur explorers have fun doing science experiments that help them understand basic concepts they learn is school. V-Explores are designed to make learning fun,... philip layfield sentencedWebAn experiment can be used to investigate which metal is the best conductor of heat. It involves some long thin strips of different metals (eg iron, aluminium and copper), Vaseline, drawing pins ... philip leakeyWeb4. One needs to distinguish between two things when it comes to electricity, electric currents and voltages. 1) The electric current is flow of electrons in metal wires, (or in fluids like … philip l creps psychiatrist az