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When grading or inspecting coins, stamps, antiques, jewelry, etc. a point source is required, meaning you need an incandescent or tensor light. Beware buying such things at a store using fluorescent light and getting buyers remorse at home when using proper light reveals deficiencies not seen before. This has happened to me several times until I realized what was happening. Now at the point of sale I insist on the proper lighting or take my own.
What else can I help you with?
What is the name for a regular light bulb?
incandescent
What is the filament in an incandescent light bulb made of?
The filament in an incandescent light bulb is typically made of tungsten.
Who perfected the incandescent lightulb?
Thomas Edison is credited with perfecting the incandescent light bulb in 1879. He developed a long-lasting, practical light bulb that could be used for indoor lighting.
What is incandescent light bulb?
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light which produces light with a wire filament heated to a high temperature by an electric current passing through it, until it glows.
What is the average lifespan of an incandescent light bulb?
The average lifespan of an incandescent light bulb is around 1,000 to 2,000 hours.
Is light in an incandescent bulb matter?
Yes, light in an incandescent bulb is a form of electromagnetic radiation, not matter. The light is produced by the heating of a tungsten filament in the bulb, causing it to emit visible light.
What type of light is a light bulb that uses a filament?
A light bulb that uses a filament is also known as an incandescent light bulb.
Which light bulb produces the most light?
Incandescent
What did Thomas Edison name the light bulb?
He named his invention the Incandescent Lamp, But it's commonly referred to today as the Incandescent Light Bulb.
What is the spectrum of light emitted by an incandescent bulb?
An incandescent bulb emits a continuous spectrum of light, which includes all colors of the visible spectrum.
Who was the light bulb made by?
The incandescent electric light bulb was invented by Thomas A. Edison.
Why does the incandescent light bulb have such a long name?
Long names are descriptive; they contain information. We could instead call an incandescent lightbulb a light, which is much shorter, but less informative.
