Essays Tagged: "wavelengths"
The Atmospheric Ozone Layer
the absorption of a portion of the deadly ultraviolet (UV) rays from the sun. UV-A rays, including wavelengths between 320 and 400nm, are not affected by ozone. UV-C rays between 200 and 280nm, are a ...
Subjects: Science Essays > Environmental Science
Sensation and perception.
ed more than three primary colours. (false)When we are watching television, light rays of different wavelengths enter our eyes. Among the three primary colours of red, green and blue, the mixture of l ... occurs in our eyes. It is an additive mixture instead of a subtractive mixture. The three kinds of wavelengths are combined in different proportions to produce almost any colour of lights. So light o ...
Subjects: Social Science Essays > Psychology
RADIO WAVES IN THE ELECTROMAGNETIC SPECTRUM
Wavelength and its relation to other wavelengths in the electromagnetic spectrumRadio waves have the biggest and longest wavelengths in t ...
Subjects: Science Essays > Physics
Optical Networks
twists and turns.In telecommunications applications, the light used is typically infrared light, at wavelengths near to the minimum absorption wavelength of the fiber in use. Fibers are generally used ...
Subjects: Science Essays > Computer Science
Fresh water Ecology Josh de Salles
ration of light and hence the degree of colonisation by plants.ii) LightWater absorbs light of long wavelengths, particularly the blue part of the visible spectrum. Since this would not normally be su ...
Subjects: Science Essays > Biology
The big bang- how the universe began
e 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 satellites and interst ... here stars are forming. Also because of the expansion of the universe which shifts energy to longer wavelengths, most of the visible radiations emitted by stars and galaxies during early stages of the ...
Subjects: Science Essays > Astronomy
Notes on Cell Structures
o screenCell ultrastructure- a cell's anatomy as revealed by an electron microscopeEMs have shorter wavelengths than the wavelengths of visible lightScanningEM- surface coated with a film of gold, top ...
Subjects: Science Essays > Biology
The Spectrophotometer and its uses in Forensics
traviolet) spectrophotometer, does not always use radiation; in some cases, radiowaves with shorter wavelengths have been used. The spectrophotometer works by first emitting ultraviolet radiation usin ... romator consists of a prism and a colored glass slide. The prism breaks the radiation into bands of wavelengths or frequency. The waves then pass a colored glass slide, which only permits waves of a c ...
Subjects: Science Essays
Telescopes
e a very powerful focus points. The focus points are so advanced that one can look at an individual wavelengths of the sun's electromagnetic spectrum in vast detail.Terra, launched in December 1999, w ...
Subjects: Science Essays > Technology
An Essay looking at Perception
asonic waves that can detect movement and objects. The mind in humans seems to categorize things as wavelengths then encode them into colour and shapes. The sensation of seeing is different from the o ...
Subjects: Social Science Essays > Psychology > Sensation & Perception
Photosynthesis lab report
s a food making process for algae and plants. The photosynthesis process rate varies from different wavelengths and intensities of light. This lab will evaluate the optimal wavelengths and degrees of ... oplast will be prepared in a number of cuvettes. The cuvettes were tested individually at different wavelengths and intensities to find the optimal rate of photosynthesis by using a spectrophotometer, ...
Subjects: Science Essays > Biology > Plant Biology
Ultaviolet Rays
Ultraviolet Rays Ultraviolet rays are part of the electromagnetic spectrum. It has wavelengths shorter than Visible light but longer than X-rays. It moves at 186,000 miles per second, ... one is their wavelength, the amount of energy waves can carry. Ultraviolet radiation has a range of wavelengths of about 10 NM to 400 NM. Ultraviolet light is generally divide into the near (4000- 300 ... per atmosphere, as well as atmospheric oxygen and nitrogen keeps out all ultraviolet radiation with wavelengths shorter than 2900 A from reaching the earth's surface.A little dose of ultraviolet radia ...
Subjects: Science Essays > Environmental Science
Atomic Spectroscopy
1) and Krypton (series 2) line readings in mm. and their wavelength in nm. The mercury and krypton wavelengths were found by estimating where the colors were on the spectrum and referring to the hand ... d the 1/lambda values and then given is the y equation. The 1/lambda is the inverse of the Hydrogen wavelengths. The hydrogen wavelengths were found by putting the line readings into the mercury and k ...
Subjects: Science Essays > Chemistry
Hubble space telescope
of the universe. The HST has a 2.4 meter objective mirror and is able to observe different types of wavelengths. Once it locates an image from any wavelength, the HST records the images it receives an ...
Subjects: Science Essays > Astronomy
Electromagnetic Radiation
2mps), but they vary in frequency and wavelength. Which means that electromagnetic waves with short wavelengths has higher energy than does radiation with long wavelengths. Electromagnetic waves consi ...
Subjects: Science Essays > Physics
Electromagnetic Radiation
2mps), but they vary in frequency and wavelength. Which means that electromagnetic waves with short wavelengths has higher energy than does radiation with long wavelengths. Electromagnetic waves consi ...
Subjects: Science Essays > Physics
Electromagnetic Radiation
2mps), but they vary in frequency and wavelength. Which means that electromagnetic waves with short wavelengths has higher energy than does radiation with long wavelengths. Electromagnetic waves consi ...
Subjects: Science Essays > Physics
Big Bang
proaches the earth there is an increase of space between the earth and the galaxy, which means that wavelengths have been stretched. The Big Bang explains why distant galaxies are travelling away from ...
Subjects: Science Essays > Astronomy
Greenhouse Effect, Global Warming, and how they have affected the culture of Indonesia
ion as radiation requires no medium. It is a fact that the heat emitted by the Sun is in very short wavelengths. These wavelengths easily pass through the special glass of a greenhouse. This is how a ... knowledge of Physics is applied. It is also a fact that the reflected heat of the plants is in long wavelengths. That is why the glass of a greenhouse is such that it allows short wavelengths to pass ...
Subjects: Science Essays > Physics
Mobile Phones and Global Positioning System's in Relation to waves
and use in-built calculators to do some simple math.A cell phone transmits information via digital wavelengths, not by Amplitude Modulation or Frequency Modulation, however it's radio signal that it ...
Subjects: Science Essays > Physics