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What two forms of energy produced by a light bulb?
A light bulb produces light energy, which is the primary form of energy it emits. It also produces heat energy as a byproduct of its operation, although most of the energy is used to generate light.
Is a light bulb conduction convection or radiation?
A light bulb primarily emits light through radiation. When electricity flows through the filament of the bulb, it becomes hot and emits energy in the form of light and heat through radiation. Conduction and convection do not play significant roles in the functioning of a light bulb.
Does a light bulb involve a wedge?
No, a light bulb does not involve a wedge. A light bulb typically consists of a glass bulb with a filament inside that emits light when electricity passes through it.
How does a fluorescent bulb convert ultraviolet light into visible light?
A fluorescent bulb contains a gas that emits ultraviolet light when electricity passes through it. The inner coating of the bulb is made of phosphor, which absorbs the ultraviolet light and re-emits it as visible light. This process is known as fluorescence.
What is an example of an illuminated object?
An example of an illuminated object is a light bulb. When turned on, a light bulb emits light, making it an illuminated object.
What two forms of energy produced by a light bulb?
A light bulb produces light energy, which is the primary form of energy it emits. It also produces heat energy as a byproduct of its operation, although most of the energy is used to generate light.
What gas lights a light bulb?
A standard incandescent bulb has no gas in it. Instead it's a vacuum. The reason you get light out of it is because of the Tungsten filament has a high resistance to current flow and heats up to the point that it emits light.
Is a light bulb conduction convection or radiation?
A light bulb primarily emits light through radiation. When electricity flows through the filament of the bulb, it becomes hot and emits energy in the form of light and heat through radiation. Conduction and convection do not play significant roles in the functioning of a light bulb.
Does a light bulb involve a wedge?
No, a light bulb does not involve a wedge. A light bulb typically consists of a glass bulb with a filament inside that emits light when electricity passes through it.
Is the light from an incandescent lamp monochromatic?
No, an incandescent bulb i.e. a bulb that emits light by the generation of heat, emits white light and is therefore not monochromatic. For a source to be monochromatic, the light emitted must be of a single wavelength.
How does a fluorescent bulb convert ultraviolet light into visible light?
A fluorescent bulb contains a gas that emits ultraviolet light when electricity passes through it. The inner coating of the bulb is made of phosphor, which absorbs the ultraviolet light and re-emits it as visible light. This process is known as fluorescence.
What is a 6500K fluorescent bulb?
It's a bulb with more blue light in it, to better match the light that natural sunlight emits.
What is an example of an illuminated object?
An example of an illuminated object is a light bulb. When turned on, a light bulb emits light, making it an illuminated object.
What useful energy is in a light bulb?
The useful energy in a light bulb is the light that it emits. When electricity flows through the filament of a light bulb, it produces light energy that we can see and use for illumination.
Does a light bulb heat the air around it by conduction or radiation?
A light bulb heats the air around it through radiation. As the filament heats up and emits light, it also emits infrared radiation that warms up the air in its vicinity. This is why you can feel the warmth when you are near a lit light bulb.
Is a light bulb a reversible change?
No, a light bulb is not a reversible change. When the filament inside the light bulb heats up and emits light, it undergoes a chemical change and cannot be easily reversed.
Does a light bulb give off radiant or thermal energy?
THe light bulb emits light while in the process heat in the infrared spectrum is emitted.
