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The intensity of light from most light sources is inversely proportional to the square of the distance from the source. So the intensity two meters from an incandescent lamp is one quarter of the intensity at one meter, and at three meters from the lamp the intensity is one ninth of the intensity at one meter. Laser light ideally has the same intensity at any distance.
Wiki User
∙ 8y ago
Wiki User
∙ 8y agoIncandescent light though intense it is comparatively less intense than laser beam
Ordinary light my be composite of colours but laser is monochromatic
Ordinary light waves are non coherent but laser is coherent
Laser will not diverge where as incandescent light diverges
Wiki User
∙ 15y agoA laser is a parallel light source which means that it has effectively infinite object distance. a lightbulb radiates light in all directions. what other differences are you interested in?
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How is laser light different from a light in a light bulb?
It is extremely coherent and focussed, not scattered like, say a light bulb.
Why is the laser beam made of a light of a single colour?
The color of a beam of light is dependent on its wavelength. A laser will appear as one color because all the light being emitted from it is the same wavelength. This is also why lasers and laser pointers always have such a tight beam. By contrast, flashlights (which have much wider beams, and rely on mirrored interiors to amplify the light) have light at a variety of wavelengths, which is why the light is ultimately "colorless".
What light is better a fluorescent light or incandescent light to grow a plant?
Definitely fluorescent. Incandescent lights are extremely inefficient and spend most of their energy producing heat rather than light. This is why an incandescent lightbulb gets so much hotter than a fluorescent one.
Is a light of a flash light a ray of light?
Light is made up of light waves, which are different than normal waves because they do not need a medium, or a material to travel though. (Some examples of mediums are water, air, wood, metal...). Light waves come in different sizes, or wavelengths. Flashlights usually use incandescent light bulbs to produce light. Incandescent light bulbs produce light by heating a tungsten filament until it glows and gives off heat under the form of light waves.
What is the name for a regular light bulb?
incandescent
What makes up the lights of a set of traffic lights?
Incandescent light bulbs are used, in addition to LEDs. LEDs or laser emitted diodes, produce the different colours with different electricity molecules mixing with the oxygen in the air
What light sources emits only a continuous spectrum a. hydrogen gas b. mercury lamp c. sodium lamp d. incandescent lamp e. laser?
d. incandescent lamp
What are the manufacturing costs of fluorescent and incandescent light bulbs?
The costs of manufacturing costs of fluorescent and incandescent light bulbs are about the same aside from the slight different materials.
How is a laser light different from a regular light?
laser light has a constant wavelength whereas regular light is made up of many wavelengths
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.
How lasers and ordinary light different?
a laser is just a focused beam of light
Difference between laser and ordinary light?
Laser lights are spectrally pure, i.e. one wavelength, and they are coherent, i.e. all phota in phase. As a result, the beam of a laser light tends to stay as beam, and not diverge due to scattering.
Could incandescent light be used for a fiber optic transmitter?
Incandescent light cannot be used for a fiber optic transmitter. This is because incandescent light is too slow for such a transmitter.
What is a laser light with holograph?
a laser light with a holograph is a laser light with holograph.
How is uv light different from light?
It is different because the UV light is brighter then a normal light and it is like a laser. UV light is different to normal light because it is invisible and the wave length is smaller.
What is the difference between a laser light and the light given off a filament lamp?
Laser light is said to be coherent; regular light such as the type produced by an incandescent bulb is incoherent. In coherent light, all the wavelengths are the same, and all the directions are the same, everything lines up and is perfectly uniform. With incoherent light, you get a messy mixture of wavelengths and directions. Light from a laser is collimated - i.e. aligned such that all the light rays are oriented parallel to each other. For this reason, you do not see laser light unless some of it is deflected by striking a something in its path or you are looking directly at it. In a filament lamp, the light rays are oriented in nearly all directions.
How is laser light different from a light in a light bulb?
It is extremely coherent and focussed, not scattered like, say a light bulb.
