Infrared light is even used to heat food sometimes - special lamps that emit thermal infrared waves are often used in fast food restaurants! Shorter, near infrared waves are not hot at all - in fact you cannot even feel them. These shorter wavelengths are the onesused by your TV's remote control.
It can be used for helping insects find plants, and medical scanning.
UV radiation exposure to S. marcescens colonies results in DNA mutations. The radiation energy is absorbed by the bacteria and if exposure is long enough, thymine nitrogenous bases adjacent to each other in DNA strands will form cyclobutane rings called thymine dimers. When replicating DNA and multiplying, the enzymes responsible for replication will bond a different base in place of the thymine bases and a mutation will result. How if affects the DNA, and consequently protein synthesis, is entirely dependent on the location of mutations.
ICE. You are standing behind ICE wall. I can see you but I can not use a infrared camera for taking your photo. For that matter, ordinary glass does a pretty good job of blocking certain wavelengths of infrared.
Yes. The different types are determined by their wavelength. We have assigned 7 commonly-used names to the different wavelengths (although within each type, you can get more wavelengths, as it is a continuous scale). The names are, from long wavelengths to short:
Radio Waves, Microwaves, Infrared, Visible Light (the one we can see with our eyes), Ultraviolet, X-rays, and Gamma Ways (γ-rays). Ultraviolet, X-rays and gamma rays are ionizing, which means they can add or remove electrons from atoms, which can change the way they react. This is why they are dangerous.
Infrared, microwaves and radio waves are not ionizing. They have longer wavelengths and less energy. Radio waves can have wavelengths of hundreds of meters, and visible light has wavelengths on the order of nanometers.
The length of an object's shadow is determined by ...
-- the length of the object,
-- the angle between the object's length and the surface on which
its shadow appears,
-- the distance between the object and the surface on which
its shadow appears,
-- the angular size of the light source as seen from the object,
-- the angle between the direction to the light source and the
normal to the object.
der, cause u got poo on it
Some examples of mechanical waves are Sound, waves in a slinky, and water.
Mechanical waves need matter to move.
Some examples of electromagnetic waves are Radio, Gamma, X-rays, Infra-red, and Microwaves
Electromagnetic waves are able to travel through a medium of liquids, solids, and geaseous states,
or through space where there is no material at all, called "vacuum".
The formula related to frequency and wavelength is
Wavelength = 300000000 / Frequency (f)
Wavelength = 300000000 / 30000000000
Wavelength = 1/100
Wavelength = 0.01 meter
OR
Wavelength = 10 milimeter
Yes, there is maximum theoretical frequency for EM (electromagnetic) waves. In the EM Spectrum, the highest frequency band is of gamma rays, which consist of frequencies greater than 1x10**19 Hz and wavelenth less than 0.1 A0.
The three equations (shown below) explain all manner about EM waves:
Where:
This holds good for the (above) equations until this criteria breaks down, then theoretical conditions become indeterminate (collapse).
The lower EM boundary is Extremely Long Waves and these consist of frequency below 106 Hz, and wavelenth exceeding 1000 A0 (the criteria for Maximum EM Waves) .
Scalar Energy is an esoteric synonym for Static Electricity,
which was the kind of electricity most familiar before Batteries,
Power Plants, Electric Lamps, and is generally considered useless,
BUT, since static electricity machines can be made of Non-Metallic
parts, demonstrations of it seem magical, and using the term
Scalar Energy in commerce is usually associated with fraud,
and claims of new perpetual motion machines. Static electricity
can produce convincing and even useful free power for small lamps
and motors, but generally requires more space than Solar Panels
for the same output, only having any advantage at night time.
Amazing voltage gains are possible with electrostatic machines,
some of which produce Lightning, and in the case of a Van De Graaf
generator, may be confused with a Tesla Coil, which uses another
uncommon form of electromagnetism (High Frequency AC) for
similar Lightning and Spark effects. New secret inventions using
"Scalar Energy", supposedly needing funding for research, are
a common scam.
Amber is called an electret (electricity magnet) because it is non-metallic, and can be electrified (charged) to attract or repel
other non-metallic objects, just like a magnet has been magnetized
and attracts or repels metallic objects. It may follow then, that
Amber (or other "electrets") may be sold for health or magic
in the same way magnets sometimes are. (I do not know how magnets
or electrets affect health.) The word "Electricity" is based on an ancient (Greek or Latin) word meaning "Amber".
In general term a wave is generated by an oscillating physical quantity when the oscillation propagates following the so called wave equation.
When the oscillation starts the wave start to propagate:: in this transient situation the wavefront is the set of points that are reached by the wave at the same time. In general, due to the continuity of physical phenomena, the wavefront is a regular surface, but its shape changes in time.
The wave propagation direction in a particular point is perpendicular to the wavefront passing from that point.
The frequency spectrum of the wave is composed by all the frequencies whose power is not null (in light waves generally we call the frequency "colors" thus the frequency spectrum of a light wave is composed by all the colors that are present in the wave. If the frequency spectrum of the wave is composed by a a single powerful frequency with a set of side frequencies much less powerful, the wave is called monochromatic and the prevalent frequency is called wave frequency (a similar light wave is seen of a well specified color, for example red or green).
Each frequency that is present in a wave can be associated with a purely monochromatic wave, that is a wave constituted by that frequency only. Thus a wave can be represented as a superposition of monochromatic waves.
When the wave is created, every monochromatic wave has its own wavefront and its own velocity, that is different from frequency to frequency (that is in a light wave in air or in glass every color has a different speed). The speed of a single frequency is called phase speed and the fact that each frequency has a different speed is called wave dispersion. Sometimes there is no dispersion, that is all the frequencies have the same speed. This is the case of light in vacuum: the speed of every color of light in vacuum is generally simply called light speed.
When dispersion is present, the overall wave (composed by all the frequencies) proceeds with a collective speed that can be obtained by the frequency spectrum of the wave and by the speed of each frequency (also called dispersion relation of the wave) and that is called group speed of the wave.
The wavelength of each frequency component of the wave is obtained by dividing the speed of that frequency component by the frequency itself. In a purely periodic and monochromatic wave (that is a wave repeating itself at fixed time intervals and with a spectrum reduced to a single frequency) the wavelength is the distance in space along the propagation direction at which the wave value is the same in every moment.
The amplitude of the wave for a frequency and in a certain point is the value of the frequency spectrum in that point, that physically is the square root of the power transported by the considered frequency component of the wave through a unitary surface around the considered point. The total power that the wave transport through a given surface in space is the sum of the power transported by each individual frequency.
The phase of a frequency component of the wave in a point can be calculated by evaluating the value of that component in the initial instant (t=0), dividing by the amplitude and calculating the inverse sin of the obtained number (arcsin() ).
electromagnetic spectrum can be interpreted in the units of frequency i.e. hertz or in the units of wavelength i.e nm
Net radiation, or net flux, is the balance between the incoming and outgoing energy here on Earth. It is the amount of energy that has influence over the climate.
Yes, incandescent light is produced directly by heating a filament so hot that it glows, in accordance with cavity radiation laws. The energy to heat the filament comes from the electricity passing through it.
As
lemda{max} T = constant = 2898 u m K
lemda{max} = 2898 u m K / T
lemda{max} = 2898 u m K / 3OOk
lemda{max} = 2898 u m K / 3OO
lemda{max} = 9.66 u m
in infrared region
Through Radiation
Well techinichally it is just a radiation that comes from the sun and the readiation is a electromagnetic field
The packet of electromagnetic radiation is the photon.
Bremstrahlung is German for "braking radiation." It refers to radiation that is associated with the positive or negative acceleration of charged particles. The energy of the emitted photon equals the loss of kinetic energy of the particle. Characteristic radiation refers to groups of discrete wavelengths characteristic of the emitting element.