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Q: What two elements are used to make a laser pen light?
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Related questions

What is a laser modulator used for?

A laser modulator is used to change modulate a beam of light (or laser). The easiest way that they modulate the laser, or light beam, is by changing the rate at which the laser is emitted from the source.


What light is used to find the distance of the Moon from the Earth?

Laser light.


Does any radio frequency used for laser communication?

no. LASER uses light frequencies.


What laser light like?

Laser rays are many light rays focused into a single light ray. That ray is a laser ray. The more lights rays focused into a single ray, the more powerful the laser ray.


What are laser rangefinders used for?

A laser rangefinder uses a laser to determine the distance to an object. The principle used is the time of flight principle based on the speed of light.


What type of wave is used for a laser?

A laser generates an electromagnetic wave operating at light frequencies.


In Brother Laser printers, are actual laser rays used for printing?

A beam of light is scanned across the printer's photoreceptor. The harmless light beam is what the word laser is referring to.


Do we have anything to note for NdYVO4?

It is used for generating laser light.


What makes up laser light and how is it used?

Laser light is different from ordinary light. Laser light consists of light waves that all have the same wavelength, or color. The waves are coherent, or in step. A laser is a device that produces a narrow beam of coherent light. The word laser comes from a phrase that describes how it works: light amplification by stimulated emission of radiation. Light amplification means that the light is strengthened. Stimulated emission means that the atoms emit light when exposed to electromagnetic radiation.


Which device used to produce high level of light energy?

A laser.


What type of light source is used in CD-ROM technology?

laser


Are laser beams sometimes used for outdoor light show?

Yep!