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What is the main difference between an incandescent light bulb and compact fluorscent light bulb?
An incandescent bulb differs from a fluorescent based on how it produces light. "Incandescent" means producing light through heat, this is essentially how an incandescent bulb lights. As current travels to the tungsten filament, the filament heats and lights up as the tungsten filament begins to deteriorate and eventually fail. Fluorescent bulbs produce light when current excites gasses inside the glass envelope. As the gasses get excited they emit photons. Interestingly, the light produced by a fluorescent bulb does not fall along the visible spectrum until it passes through the white, phosphor coating on the inside of the bulb. And there you have it.
Why does the colors of an object look different under a fluorescent lamp from the way it looks under an incandescent lamp?
differences in the color of light will change the color's appearance as it is seen under fluorescent and incandescent. An incandescent lamp, like the sun, produces a spectrum of light in every color in a wide band, broad enough to cover the entire visible spectrum -- and extending past it to many colors that humans can't see. A fluorescent lamp produces a spectrum of light in a few narrower bands of color. That is why a fluorescent lamp is more energy efficient than a incandescent -- the fluorescent lamp doesn't waste energy producing photons that humans can't see. Some materials (such as white paper) reflect all visible colors equally. They look white in almost any kind of light. Other materials absorb some colors more strongly than other colors. They look colored in "white" incandescent light. If we have a material that reflects most colors equally, except for a narrow band of colors, and that band is in the "dark" part of of the fluorescent spectrum -- it will look the same color as white paper. If we have another material that reflects most colors equally, except for a narrow band of colors that is in one of the bands of colors produced by a flourescent lamp -- that material will look even more deeply colored in fluorescent light than in incandescent light.
Which has a longer life an LED or an incandescent light bulb?
It depends entirely on the bulbs being compared. There are some very bright fluorescent bulbs. In some Compact Fluorescent Lamps (CFL) they take longer to get to full brightness. Also the frequency of the light emitted has a lot to do with the brightness the eye perceives.
What is different about a grow light bulb?
A plant growth inducing bulb or lamp operates on the red end of the light spectrum where plants favour that wavelength. It is closer to natural daylight than bulbs that operate in the blue end of the spectrum.
Full form of PL Lamp?
PL is mean Plug in - Light Bulb, the most comment application is CFL (Compact Fluorescent Lamp) which require assistance components to make it work or light it up, different to incandescent light bulb, it can light up by just itself direct connect to our home electricity ac 100v to ac 240v.
Will a condensed fluorescent bulb work as a grow light for garden?
Only if you buy a "full spectrum" of "grow light" type of compact bulb.
How long does it take for a light bulb to heat up?
Typically, it takes a few seconds to a minute for an incandescent light bulb to reach full brightness. LED bulbs tend to reach full brightness almost instantly. The time may vary depending on the type and wattage of the bulb.
Why is a light bulb white?
A light bulb appears white when it emits light across the full visible spectrum, combining all colors to create white light. This is achieved by using a combination of phosphors to produce a balanced spectrum, or by using multiple LEDs of different colors that blend to create white light.
What is the difference between incandescent and fluorescent light bulbs?
Incandescent lightbulbs have an electrical circuit that passes through a tungsten wire. As the electricity flows, the tungsten is heated up to a point where it emits light waves. Gases (xenon, I think) help sustain the wire until it breaks. This is when the light stops and needs to be replaced. (the tungsten also emits heat when lit) Incandescent lights have the full spectrum of colors. Fluorescent bulbs are filled with a gas and a bit of mercury. Electricity gives the ions in the gas energy, which is released in the form of light. This method sustains the bulb far longer than an incandescent lightbulb. Fluorescents release much less heat, making them more energy efficient. However, the spectrum of the fluorescent bulb is missing a few colors of the spectrum, which makes the spectrum look cool and incredibly weird.A fluorescent lamp or fluorescent tube is a gas-discharge lamp that uses electricity to excite mercury vapor. The excited mercury atoms produce short-wave ultraviolet light that then causes a phosphor coating on the inside of the bulb to fluoresce (glow), producing visible light.
How fast does light bulb heat up?
Incandescent light bulbs typically heat up to full brightness within a few seconds of being turned on. LED light bulbs, on the other hand, reach full brightness instantly upon being switched on.
What is the main difference between an incandescent light bulb and compact fluorscent light bulb?
An incandescent bulb differs from a fluorescent based on how it produces light. "Incandescent" means producing light through heat, this is essentially how an incandescent bulb lights. As current travels to the tungsten filament, the filament heats and lights up as the tungsten filament begins to deteriorate and eventually fail. Fluorescent bulbs produce light when current excites gasses inside the glass envelope. As the gasses get excited they emit photons. Interestingly, the light produced by a fluorescent bulb does not fall along the visible spectrum until it passes through the white, phosphor coating on the inside of the bulb. And there you have it.
What is a full spectrum led light?
a: LEDS emit different color of light or really different frequency that to us means colors. Some LED are manufacture to provide the full spectrum of frequency. so full spectrum
Why does the colors of an object look different under a fluorescent lamp from the way it looks under an incandescent lamp?
differences in the color of light will change the color's appearance as it is seen under fluorescent and incandescent. An incandescent lamp, like the sun, produces a spectrum of light in every color in a wide band, broad enough to cover the entire visible spectrum -- and extending past it to many colors that humans can't see. A fluorescent lamp produces a spectrum of light in a few narrower bands of color. That is why a fluorescent lamp is more energy efficient than a incandescent -- the fluorescent lamp doesn't waste energy producing photons that humans can't see. Some materials (such as white paper) reflect all visible colors equally. They look white in almost any kind of light. Other materials absorb some colors more strongly than other colors. They look colored in "white" incandescent light. If we have a material that reflects most colors equally, except for a narrow band of colors, and that band is in the "dark" part of of the fluorescent spectrum -- it will look the same color as white paper. If we have another material that reflects most colors equally, except for a narrow band of colors that is in one of the bands of colors produced by a flourescent lamp -- that material will look even more deeply colored in fluorescent light than in incandescent light.
Which bulbs are best for daylight lamps?
When you're looking for a bulb for a daylight lamp, the best ones are going to be full spectrum light bulbs. They are pure white light and is a natural appearing daylight color. If you suffer from S.A.D., or winter blues, then this is the kind of light bulb that you would be looking for.
What is the best lighting for freshwater aquarium?
Any light that you enjoy that fits closely to the natural spectrum of daytime light is fine for fish.For plants you need to find a light that is specifically made to radiate full spectrum or targeted spectrum for the plants as well as for your viewing pleasure. There is no perfect light and I have had good results with all types. Each has a benefit and each has drawbacks.In Order my favorite Plant Lighting included with its drawback would be:Metal Halide (too hot, expensive bulb) best for color rendering and last longT5 VHO (Energy Use, Bulb Life)T5 HO (Bulb Life) good for energy efficient show tanksCompact Fluorescent CFL (lifespan)T12 (bulb size / quantity needed) good for cheaper tanksT5 (brightness) great choice for small to medium planted tanksLED (Cost, Spectrum) great for micro tanksSunlight (Portability) great for realism :)Spiral DIY Compact Fluorescent (scattering, light output, wasted light, looks)T8 (size and availability, household use mainly)Incandescent (poor everything)Finding a bulb to put in one of those types of lighting fixtures is sometimes difficult and may require you searching and testing. look for a full spectrum between 5300k and 10000k best is 6500k with a good CRI PAR rating. There is no best light as you can see.
Which has a longer life an LED or an incandescent light bulb?
It depends entirely on the bulbs being compared. There are some very bright fluorescent bulbs. In some Compact Fluorescent Lamps (CFL) they take longer to get to full brightness. Also the frequency of the light emitted has a lot to do with the brightness the eye perceives.
What is the full form of LED BULB?
An LED bulb simply means a Light Emitting Diode Bulb—a bulb that uses LED technology to produce light efficiently.
