answersLogoWhite

0


Best Answer

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 to fluoresce, producing visible light. A fluorescent lamp converts electrical power into useful light more efficiently than an incandescent lamp. Lower energy cost typically offsets the higher initial cost of the lamp. The lamp is more costly because it requires a ballast to regulate the flow of current through the lamp.

User Avatar

Wiki User

14y ago
This answer is:
User Avatar
More answers
User Avatar

AnswerBot

6mo ago

UV lamps emit ultraviolet light when an electric current passes through Mercury vapor inside the lamp. The mercury vapor generates UV light with a wavelength that can destroy microorganisms by disrupting their DNA. This makes UV lamps effective for sterilization and disinfection purposes.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Principle of operation of UV lamp?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Continue Learning about Physics

What is the function of a capacitor in the fluorescent lamp?

A capacitor in a fluorescent lamp helps to provide a stable voltage to the lamp's ballast, ensuring proper operation of the lamp. It also helps to improve the power factor of the lamp, making it more energy efficient.


How does a lava lamp work using radiation?

A lava lamp works through convection, not radiation. The heat source at the base of the lamp warms up the wax, causing it to rise and fall in a mesmerizing pattern. Radiation is typically not involved in the operation of a lava lamp.


How a lava lamp works in terms of density?

A lava lamp works based on the principle of density. The waxy substance in the lamp is denser than the liquid surrounding it, causing it to rise when heated by the lamp at the base. As it reaches the top, the waxy substance cools down, becomes denser, and sinks back down, creating the mesmerizing lava lamp effect.


How are ultraviolet lights made?

Ultraviolet lights are made using special lamps that contain a gas such as mercury, which emits UV radiation when an electric current passes through it. The gas is enclosed in a tube made of quartz or special glass that allows the UV radiation to pass through. When the lamp is turned on, the electricity excites the gas atoms, causing them to release UV light.


What is bernoulli's principle applied to?

Bernoulli's principle is applied to the flow of fluids, such as liquids and gases. It states that as the speed of a fluid increases, its pressure decreases, and vice versa. This principle is used to explain phenomena like lift in aviation, the flow of blood in the circulatory system, and the operation of carburetors in engines.

Related questions

How often should the UV lamp be changed?

The UV light is designed to operate for (1) year under continuous operation. The lamp will slowly lose energy during this period, therefore the lamp should be changed annually to guarantee the amount of UV energy available is sufficient enough to kill micro-organisms. But for XPES induction UV lamp, it will have a long period to keep the UV energy.


What will happen if the UV or UV TOC lamp in operation for more than it recommended life span 8000 hrs?

Who cares they give out no light anyway


What benefits could I expect from the UV lamp in the Ionic Pro Therapure air purifier?

With a UV lamp you will be able to see the debris in the air.


Do tortises need a UV lamp?

Yes, they do.


Which is the best Uv lamp in hyderabad?

Superuv is the leading the Uv lamp in hyderabad.Superuv is the best provides the Uv lamp in hyderabad.Super Cure is one of the most trusted and professional brands in the energy curing industry with esteemed corporate values and a competitively successful drive.


Why will a heat lamp cook a hot dog but a UV light will not?

because UV light is different :)


Which is the best Uv Lamp Suppliers in Mumbai?

If you are looking for the Super-Cure Uv Lamp Suppliers in Mumbai. Superuv is one of the best suppliers and importers of high-quality Uv Lamp Suppliers in Mumbai for all types of systems. Uv Lamp Suppliers in Mumbai which is the Super Cure is the most trusted and professional brands in the energy curing industry with esteemed corporate values and a competitively successful drive.


What is different from Induction UV lamps and Traditional UV mercury lamp?

1. Traditional UV mercury lamp have a limited lifespan, while induction UV lamp have long lifespan. The induction UV lamp is 10 times more than traditional mercury lamp, and the lifespan is not influence switching times. 2. The consumption of traditional UV mercury lamp is large, but the UV output of energy generating just only about 20%, so the efficiently UV is not high. 3. Induction UV lamp have highly concentrated UV spectral, so it can shorten the curing time and promote the efficiency. 4. There are some hidden UV mercury contamination, for example, due to a high pressure, high temperature and intense radiation of a mercury lamp, it is easy to make the oxygen molecules surrounding to chemical reaction and then producing ozone, and ozone not only have a bad effect on the atmosphere, but also have a bad on health. 5. Induction UV lamp is cold light so it have no heat radiation. The temperature of illuminated surface is low so the work piece is not deformed by heat. 6. The induction UV lamp can be switched on and restarted at once, and will not suffer the decline. What is more, it is no need to warm-up to achieve the maximum UV output power. 7. Induction UV lamp have a stable light output, good illumination uniformity, which can improve production efficiency. 8. The ballast of the induction UV lamp works on IC chips and wide-voltage design, providing high power factor, low current harmonic and adjustable light. 9. Induction UV lamp can save more than 80% energy, and also have low luminous decay, which is an environment friendly lighting source.


How might the results differ if a uva lamp were used?

If a UV lamp were used instead of a standard lamp: The UV lamp would emit ultraviolet light, which can have germicidal properties, potentially reducing the presence of bacteria and other microorganisms in the environment. UV lamps can also cause materials to fluoresce or change color under the UV light, which may affect the appearance of objects in the vicinity. However, prolonged exposure to UV light can be harmful to human skin and eyes, so precautions would need to be taken when using a UV lamp.


Principle and operation?

principle refers to the basic objective of something. Operation refers to how it operates.


Where can you get a uv lamp for a gecko?

Any pet shop that has reptiles.


Who is the best Mercury UV Lamp Manufacturer?

If you are interested to buy a mercury UV lamp manufacturer. super cure is the best brand for you. they give the best Quality mercury UV lamp at affordable prices. they also supply UV lamps all over India. super cure is a trusted brand in the energy industry. for more information call us and visit the website.