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light can be trapped by total internal reflection inside a bent a glass rod and 'piped' along a curved path,A single very thin glass fibre behaves in the same way. if several thousand such fibres are trapped together a flexible light pipe is obtained that can be used, for example, by doctors as an 'endoscope', to obtain an image of an internal organ in the body, by engineers to light up some awkward sport for inspection.the latest telephone 'cable' are optical (very pure glass) fibres carrying information as pulses of laser light.
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What input device can be used for marking a multiple choice test?
A common input device used for marking a multiple-choice test is an optical mark recognition (OMR) scanner. OMR scanners detect marks made by pencils or pens on specially designed answer sheets. These marks are then converted into digital data for processing and scoring. OMR technology is widely used in educational institutions for efficient and accurate grading of multiple-choice exams.
What organs are often called washing machines for the blood?
Kidneys.
The connection between your computer at home and your local ISP is often called the last mile?
last mile
Why computer system often called a two-state machine?
It only has 2 digit,0s and 1s (on and off switch)
What is it called when you take different video clips and merge them together called?
Hi, generally, putting two or more video clips together is called video joining or merging. Such a task is always done by a video joiner and merger. I often do that by way of Joyoshare Video Joiner. This tool lets me enjoy the process.
What do you call the traveling of concentrated light through long tiny fibers of glass to carry sound?
That is called optical fiber communication, where light is used to transmit data through long glass fibers, often for telecommunications purposes. The process involves converting sound waves into light pulses that travel through the fibers and then converting them back into sound at the other end.
What does optical system mean?
"Optical" means related to light, often to visible light. So, a system that works with light.
What form of radiation is used inside optical fibers?
Light is, but not necessarily the visible kind. For glass fibers, we use light in the infrared region, which has wavelengths longer than visible light, typically around 850, 1300 and 1550 nm. Those are used because the attenuation of the fiber is much less at those wavelengths. The attenuation of glass optical fiber is caused by two factors, absorption and scattering. Absorption occurs in several specific wavelengths called water bands due to the absorption by minute amounts of water vapor in the glass. Plastic optical fiber is made from materials that have lower absorption at shorter wavelengths, so red light at 650 nm is often used with plastic fiber.
Why are optical fibers often called pipes?
Fiber optic cables are flexible because they are made out of plastic that refracts light and keeps it inside the cable. The light pretty much bounces its way down the inside of the cable by passing through different layers of plastic that bend the light and keeps it moving towards one direction.
What is a optical light?
Optical light refers to light that is visible to the human eye. It consists of a range of wavelengths within the electromagnetic spectrum that enable us to see objects and colors. Optical light is often used in imaging and communication technologies.
What do you mean by optical density?
Optical density is a measurement of how much light is absorbed or transmitted by a material. It is often used to quantify the amount of a substance in a solution by measuring the absorbance of light passing through it. A higher optical density indicates more absorption of light.
What is a scientist who studies light called?
A scientist who studies light is called an optical physicist. This field encompasses various aspects of light, including its properties, behavior, and interaction with matter. Optical physicists often work on applications in areas like lasers, imaging systems, and fiber optics, contributing to advancements in technology and scientific understanding.
What is optical communication?
An optical fiber is a flexible, transparent fiber made of very pure glass (silica) not much bigger than a human hair that acts as a waveguide, or "light pipe", to transmit light between the two ends of the fiber. The field of applied science and engineering concerned with the design and application of optical fibers is known as fiber optics. Optical fibers are widely used in fiber-optic communications, which permits transmission over longer distances and at higher bandwidths (data rates) than other forms of communication. Fibers are used instead of metal wires because signals travel along them with less loss and are also immune to electromagnetic interference. Fibers are also used for illumination, and are wrapped in bundles so they can be used to carry images, thus allowing viewing in tight spaces. Specially designed fibers are used for a variety of other applications, including sensors and fiber lasers.
What is the optical illusion caused by atmospheric conditions?
A mirage is an optical illusion which is caused by atmospheric conditions. This is often due to the refraction of light from the sky by heated air.
What is an optical device that is often used to refract white light called?
A prism. This will also split the white light. The prism is the most commonly used in experiments and demonstrations. However, there are other shaped tools that are sometimes used.
What is optical cylinder?
An optical cylinder is a transparent cylindrical lens used in various optical applications to focus or manipulate light. It is designed to create a linear image or to spread light over a specific area, often utilized in projectors, microscopes, and laser systems. The curvature of the cylinder can affect the direction and divergence of light, making it essential for correcting optical aberrations or enhancing image quality.
Light travels in a material with greater .......?
Optical Density. Which often is caused by normal density.
