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Why ordinary silicon diodes do not emit light?
Silicon is opaque to all light (IR through UV).The bandgap of silicon is not high enough to produce visible photons, only IR photons.
What is a ordinary diode?
A diode is an electronic component that will only allow current to flow through it in one direction. It is analogous to the valve in a bicycle tyre, which only lets air in but not out (except when you press the release tab). So if you connect a diode in a simple DC circuit one way around, the circuit will be closed and any devices on the circuit will work. If you connect it the other way around the circuit is open and no current will flow. I presume by 'ordinary diode' you mean a diode that is not a light emitting diode (LED). A LED is just a diode that emits light when current flows through it. Its purpose is to make light. A non-LED diode doesn't emit light. Its purpose is to allow current through a circuit in only one direction. A common use for ordinary diodes is in "rectifying circuits" which convert AC to DC.There are many other uses though.
What are the characteristic of photo diode?
A photodiode is a type of photodetector capable of converting light into either current or voltage, depending upon the mode of operation. Its characteristics is same as that of an ordinary diode, except that it depends on light.
How light emitting diode is used in remote control?
In ordinary remote controls for devices such as televisions & DVD players, infra red light is used (naked to the human eye).
Which current does a street lamp use ac or dc?
Unless the street lamp is a self-contained, battery-operated, solar-charged model, it almost certainly would be an ordinary AC-powered light.
Can you replace an ordinary light bulb with an LED?
Yes, you can replace ordinary light bulbs with an LED.
Does ordinary light bulbs provide fluorescent light?
no
Do ordinary light bulbs provide fluorescent light?
No it does not
Is ordinary light classify as ionizing radiation?
NO, because ordinary light is just giving simple emission of light. Ionizing radiation gives tremendous emission of light it causes cancer. Therefore, if ordinary light like fluorescent lamp which we always use is classified as ionizing radiation, we people have a cancer.....
Can you attach ordinary light fixtures to track lighting?
It is possible to attach ordinary light fixtures to track lighting with some easy modifications.
How is ultraviolet light different from ordinary light?
It is not visible by the naked eye.
How lasers and ordinary light different?
Lasers produce coherent and focused light of a single wavelength, while ordinary light sources emit incoherent light of various wavelengths. Lasers also have a much higher intensity and can be tightly focused over long distances compared to ordinary light sources. Additionally, lasers have a very narrow beam divergence, whereas ordinary light sources have a broader dispersion.
What is another name for ordinary microscope?
A common term for an ordinary microscope is a light microscope, which uses visible light to illuminate and magnify specimens for observation.
Which travels faster airwatersoundor light?
Light. No ordinary matter can travel at or faster than the speed of light.
Is bacteria too small to be seen with an ordinary light microscope?
Yes, most bacteria are too small to be seen with an ordinary light microscope. Bacteria are generally between 0.5 to 5 micrometers in size, which is below the resolution limit of a light microscope which is about 200 nanometers.
Why ordinary light is not coherent?
Ordinary light is emitted from various sources with different phases and wavelengths, leading to random and constantly changing interference patterns. This lack of a fixed phase relationship between light waves prevents ordinary light from being coherent. Coherent light sources, like lasers, have a single wavelength and phase, allowing for stable interference patterns.
Is ordinary light one color?
No. White light is a mixture of many colors. When you see a rainbow, you see the white light separated into its components.
