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Is it the information is read from the hard disk using a laser beam true or false?
Wiki User
∙ 12y ago
False. Most all HDD's read information using a needle, like a record player.
Wiki User
∙ 12y ago
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What if you need to measure long distance?
By using Laser distance measuring devices, work by sending out a laser beam of light and tracking how long it takes for the beam to return to the device. It uses this information to instantly calculate the distance from the laser measuring tool to the object you selected with the beam. Not only does it display distances instantly and accurately, it can track measurements.
What does laser beam mean?
A laser is the device itself, the beam is.. well, the beam coming out of the laser.
In a vacuum space the red laser beam travels faster then the beam of microwaves true or false?
Both beams travel at the same speed.
How can you get laser?
How can yo u get laser beam?What is laser beam characteristics and principles?
What is one kind of light that can carry information in a beam that doesn't spread out?
laser
How does the laser ranging device work?
A laser-rang device works by using a laser beam to find horizontal fault movements. It can also use the laser beam to travel to a reflector and then back. Thus, the device can detect any change in distance to the reflector.
What is caution laser beam?
"Caution Laser Beam" is a phrase used on warning signs and labels to alert users and passersby that a laser beam may be present.
Why a laser beam cannot be dispersed by passing it through a glass prism?
The laser beam is a highly monochromatic source of light. It consists of only one wavelength and hence does not get dispersed by using a glass prism.
In a laser printer the beam detect mirror detects the laser beam by reflecting it to a blank?
optical fiber
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.
Laser beam needs electricity or not?
All lasers require electricity to operate. The laser beam that results from operation of a laser is electromagnetic radidation, not electricity.
What is the shape of the path of a laser beam?
Since a laser beam is light all moving on the same direction, the path of a laser beam will be a straight line, inless it is redirected by a reflective surface.
