Essays Tagged: "infrared radiation"

Greenhouse Effect

ases have this effect because as incoming solar radiation strikes thesurface, the surface gives off infrared radiation, or heat, that the gases trap andkeep near ground level. The effect is comparable ...

(2 pages) 124 0 3.6 Nov/1996

Subjects: Science Essays > Environmental Science

Ozone layer

ng the earth's surface warmer than it would normally be. The atmosphere is primarily transparent to infrared radiation from the sun, which is mostly absorbed by the earth's surface. The earth being mu ... by the earth's surface. The earth being much cooler than the sun, remits radiation most strongly at infrared wavelengths. Water vapor, carbon dioxide and ozone then absorb much of this radiation and r ...

(6 pages) 93 0 3.5 Mar/1995

Subjects: Science Essays > Environmental Science

Global Warming

ses have this effect because as incoming solar radiation strikes the surface, the surface gives off infrared radiation, or heat, that the gases trap and keep near ground level. The effect is comparabl ...

(3 pages) 113 0 3.0 Feb/1996

Subjects: Science Essays > Environmental Science

Enhanced greenhouse effect on global warming.

her and climate. The earth's surface absorbs the sun and radiates it back into space in the form of infrared radiation. This process is referred to as the greenhouse effect.About one percent of the ea ...

(3 pages) 183 0 2.7 Nov/2002

Subjects: Science Essays > Environmental Science

Global Warming: What is Global Warming, Causes of Global Warming, Consequences of Global Climate Change.

w incoming solar radiation to pass through the Earth's atmosphere, but prevent part of the outgoing infrared radiation from the Earth's surface and lower atmosphere from escaping into outer space. Thi ...

(6 pages) 665 4 4.9 Jan/2004

Subjects: Science Essays > Environmental Science

Investigating attenuation in optical fibres

PlanAimMy aim is to investigate the factors which affect the attenuation of infrared radiation in an optical fibre modelled by transparent jelly. I will determine how the lengt ... gth and width of the jelly affect how the radiation is attenuated. The loss of the intensity of the infrared radiation is represented by the amount of voltage across the infrared detector. If the inte ... cross the infrared detector. If the intensity of the radiation is high, then the voltage across the infrared detector will also be high.Apparatus (before pilot experiments)Infrared transmitter and det ...

(11 pages) 42 0 5.0 Apr/2004

Subjects: Science Essays > Physics

Running on Empty

reenhouse gases trap heat, and thus warm the earth because they prevent a significant proportion of infrared radiation from escaping to space. Concentration of greenhouse gases, especially CO2, have i ...

(7 pages) 97 0 2.2 Sep/2004

Subjects: Businesss Research Papers > Markets & Exchanges

The big bang- how the universe began

Question 1a) Infrared AstronomyInfrared Astronomy is a study of the Infrared Radiations emitted from celestial ob ... ted from celestial objects. All objects from trees, buildings on the earth to distant galaxies emit infrared radiation. The cosmic dust particles block the view of the visible universe such as the cen ... universe such as the center of the Milky Way but these cosmic dust particles are transparent in the Infrared Radiation wavelengths. It is very significant for studying asteroids, comets, planetary sat ...

(4 pages) 76 0 3.0 Oct/2004

Subjects: Science Essays > Astronomy

Global Warming

w incoming solar radiation to pass through the Earth's atmosphere, but prevent part of the outgoing infrared radiation from the Earth's surface and lower atmosphere from escaping into outer space. Thi ... tant of the gases is carbon dioxide. These gases are thinning our upper atmosphere, which can cause infrared radiation to come through the lowest layer and cause "Global Warming."Causes of Global Warm ...

(10 pages) 145 0 4.5 Oct/2004

Subjects: Science Essays

Global Warming

s.Short-wave solar radiation sinks into the Earth's atmosphere and warms it surface, whileLong-wave infrared radiation emitted by earth's surface is absorbed, and then re-emittedby trace gases. Climat ...

(3 pages) 109 0 3.0 Nov/2006

Subjects: Science Essays > Environmental Science

"An Inconvenient Truth" by Al Gore (Global Warming)

rth and warms it. Then some of the energy is radiated back into space, by the Earth, in the form of infrared waves. However during this process, some of the outgoing infrared radiation is trapped by t ... e atmospheric layer is now being thickened by the harmful pollution and because of that more of the infrared waves are being trapped and are now warming more worldwide.Throughout the documentary Gore ...

(8 pages) 176 1 3.9 May/2007

Subjects: Science Essays > Environmental Science

Beer - Lambert's Law and Spectroscopy

energy level, (ground state) it releases photons or electromagnetic radiation in the form of light, infrared radiation (heat) or ultra-violet light.Bohr’s postulates led to spectroscopy which the ...

(3 pages) 16 0 1.5 May/2007

Subjects: Science Essays > Chemistry

Global warming 2 -

phere has risen by more than 30 percent in the last 250 years. These greenhouse gases which prevent infrared radiation from escaping into space, keep the earth's temperature warm. According to the Bri ...

(3 pages) 47 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science

Global Warming The greenhouse effect, what exactly is this? The

conomy. An opposing factor of the greenhouse effect is that the main greenhouse absorber of infrared radiation is water vapor and clouds, not carbon dioxide! I f all of the greenhouse gases, e ...

(3 pages) 713 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science

Global Warming-(Reseach Paper)

Short-wave solar radiation sinks into the Earth's atmosphere and warms its surface; while longwave infrared radiation emitted by earth's surface is absorbed, and then re-emitted by trace gases. (Bren ...

(4 pages) 77 2 2.7 Oct/2008

Subjects: Science Essays > Environmental Science

Effects of Smoking and Occupational Exposure

individuals purchase a carbon monoxide detector for his or her residence. Some relatively high-cost infrared radiation adsorption and electrochemical instruments do exist. Moderately priced real-time ...

(7 pages) 8 0 0.0 Oct/2009

Subjects: Humanities Essays > Health & Medicine > Health & Fitness

Wireless Networking, Personal Area Networks

rsonal Area Networksfind examples of devices that use radio frequency technology and those that use infrared (IR which includes the IrDA specifications IrPHY, IrLAP, IrLMP, IrCOMM, Tiny TP, IrOBEX, Ir ... merging technologies in wireless networking and evaluate their possible impact on an existing systemInfrared TechnologyAs depicted in Fig. 1, infrared radiation is the region of the electromagnetic sp ...

(9 pages) 61 0 0.0 Apr/2010

Subjects: Science Essays > Computer Science

Infrared spectroscopy

Infrared spectroscopyInfrared spectroscopy is widely used to identify functional groups present in u ... is is because particular bonds in organic molecules undergo vibrational excitation when they absorb infrared radiation. (1).In compound 1, the major functional groups present include an alcohol and an ... From interpretation of the IR, compound 3 must be 2-pentanone.Many of us are probably familiar with infrared radiation. Infrared radiation could be related with heat. Infrared is a form of radiation t ...

(2 pages) 14 0 0.0 Sep/2010

Subjects: Science Essays > Chemistry