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How much electromagnetic radiation is emitted from a Mac Book Pro?
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Is electromagnetic radiation infrared radiation?
No, not in general. It is rather the other way around. Infrared radiation is electromagnetic radiation, and electromagnetic radiation spans multiple types of radiation, from microwaves, light, infrared, ultraviolet, radio, and more. So electromagnetic radiation could be infrared, but that is just one type of electromagnetic radiation
For electromagnetic radiation the speed of light equals?
Light is electromagnetic radiation. The speed of light in a vacuum is the speed for all electromagnetic radiation, as long as it is measured in vacuo.When e-m radiation travels through something other than a vacuum, it travels more slowly. How much slower sometimes varies according to the wavelength of the radiation.
How much of the electromagnetic spectrum does the sun produce?
Electromagnetic radiation is a continuous spectrum of wavelengths from thousands of kilometres to wavelengths the size of fractions of an atom. They are all the same kind of radiation - the differences are only the wavelengths. They range from the longest - radio waves, then microwaves, infrared radiation, visible light, ultra violet light, X-rays and gamma rays. The sun emits all of these apart from gamma rays.
Gamma radiation is it safe to inject into a human but alpha particles would be very dangerous?
Generally no radiation is safe. You cannot "inject" radiation into anything because it is the product of various unstable nuclei decaying. Alpha radiation is much more ionising than gamma, but much less penetrating than it. That makes it more dangerous if it is inside your body; it can be stopped by skin. Therefore you would have to swallow a sample of a radioactive material. However, gamma radiation is always emitted together with alpha or beta radiation.
How does the wavelength of gamma rays compare to the wavelength of visible light?
It is electromagnetic radiation, which is the same in composition as visible light but has a much higher frequency/shorter wavelength, and will do damage to any biological material it passes through. Both travel at the same speed ('velocity of light') but gamma radiation can penetrate material opaque to visible light.
Radiation emitted from human skin reaches its peak at λ equals 940 µm how much energy is carried by one quantum of these electromagnetic waves?
Heat waves, or infrared radiation.
Do LCD screen emit radiation?
An LED TV does emit radiation. However, the amount is very small and not considered harmful. The radiation from an LED television is much less than the radiation that was emitted from older television models.
Is electromagnetic radiation infrared radiation?
No, not in general. It is rather the other way around. Infrared radiation is electromagnetic radiation, and electromagnetic radiation spans multiple types of radiation, from microwaves, light, infrared, ultraviolet, radio, and more. So electromagnetic radiation could be infrared, but that is just one type of electromagnetic radiation
What types of electromagnetic is emitted in quasar?
As material falls into a Quasar, it emits much of the electromagnetic spectrum. As material is just about to pass the event horizon, cosmic rays (the most energic electromagnetic waves we know of) are released.
How much does a microwave weigh in ounces?
A microwave is a form of electromagnetic radiation and has no intrinsic weight.
How much of the electromagnetic spectrum in contained in white light?
The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation.[1] The "electromagnetic spectrum" of an object is the characteristic distribution of electromagnetic radiation emitted or absorbed by that particular object. The electromagnetic spectrum extends from below frequencies used for modern radio through to gamma radiation at the short-wavelength end, covering wavelengths from thousands of kilometers down to a fraction of the size of an atom. The long wavelength limit is the size of the universe itself, while it is thought that the short wavelength limit is in the vicinity of the Planck length, although in principle the spectrum is infinite and continuous. EM radiation with a wavelength between 380 nm and 760 nm (790-400 terahertz) is detected by the human eye and perceived as visible light. So only a very small portion of the entire spectrum is visible.
What uses microwave radar?
No. Radar use electromagnetic radiation of a much longer wavelength
What Gamma Radiation made of?
Gamma radiation is an electromagnetic wave, the same as all other kinds of light, except that it has much more energy. Electromagnetic waves are waves of electrical and magnetic fields which travel through space, much like waves through water.
How much radiation is 100mAs?
mA or milliamps is a measure of current not radiation. Although all current produces some electromagnetic radiation, the amount depends on so many other factors it is an impossible question to answer.
How thermal energy is transferred by radiation?
Radiation is the transfer of energy by electromagnetic waves. Considering the dual nature of electromagnetic radiation, you could also consider it to be transferred by photons of the electromagnetic radiation. The rate of transfer of radiation is given by the surface area of the radiation source, the surface area of the object receiving the radiation, a geometric coefficient accounting for how much of the radiation from the source actually hits the receiving object, a physical constant called the Stephan-Boltzman constant, the reflectivity, transparency, and absorbtivity of the receiving object for the wavelengths of the radiated energy, and the difference in the 4th power of the thermodynamic temperatures of the objects.
Heat transfer by electromagnetic waves?
radiation
What is the difference between waves used in microwave ovens and nuclear radiation?
Both microwave radiation and nuclear electromagnetic radiation are members of the same species, but they're as different as babies are from elephants, to wit, microwaves are much, much less powerful than nuclear electromagnetic radiation. Microwave radiation, for instance, makes atoms shift their position (and magnetic fields) very, very quickly. Now the definition of heat is "movement," so the faster anything moves, the "hotter" we say it is. Ergo, something placed in a microwave-radiation-field becomes noticeably "hotter." But comparing microwave and nuclear electromagnetic radiation is like comparing a face-slap to a 20-ton BOMB. Nuclear radiation comes from atomic nuclei, so "nuclear radiation" can strike, penetrate, damage, and even destroy atoms in their path. Big difference, capiche? Huge.We left out the part about nuclear particulate radiation. There is no comparison there. Additionally, nuclear electromagnetic radiation is ionizing radiation while microwave radiation is not.
