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Why free radical substitution requires only a flash of ultraviolet light rather than prolonged radiation?
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What is the definition for ultraviolet radiation?
http://www.answers.com/library/Sci%252DTech%20Encyclopedia-cid-10387312 Ultraviolet radiationhttp://www.answers.com/ultraviolet+radiation?cat=technology#stency_0http://www.answers.com/ultraviolet+radiation?cat=technology#stency_1(electromagnetic radiation) Electromagnetic radiation in the http://www.answers.com/topic/wavelength range 4-400 nanometers. The ultraviolet region begins at the short wavelength (violet) limit of visibility and extends to the wavelength of long x-rays. It is loosely divided into the near (400-300 nm), far (300-200 nm), and extreme (below 200 nm) http://www.answers.com/topic/ultraviolet regions (see illustration). In the extreme ultraviolet, strong absorption of the radiation by air requires the use of evacuated apparatus; hence this region is called the vacuum ultraviolet. Important phenomena associated with ultraviolet radiation include biological effects and applications, the generation of http://www.answers.com/topic/fluorescence, and chemical analysis through characteristic absorption or fluorescence. See alsohttp://www.answers.com/topic/ultraviolet-radiation-electromagnetism. p.s. why go through all the trouble to go to answers or wikianswers.com and look for this question and since it wasnt asked or answered you posted it and waited until it was answered when you couldve just went to answers.com and typed ultraviolet radiation, where do you think i got it from.
Which type of radiation requires thick radiation shielding?
Gamma!(:
A vitamin that is manfactured in the skin is?
Vitamin D but it requires ultraviolet light.
What is traveling medium of radiation?
Electromagnetic Radiation requires no medium. Light is a form of electromagnetic radiation, and it can traverse the stars.
How is heat transfered though space?
there are three types of heat transfers: conduction, convection, and radiation. Heat transfer through space requires radiation, which involves the electromagnetic waves: gamma ray, x-ray, ultraviolet, visible, infrared, microwave & radiowave.
What requires the removal of heat?
Heat is removed by conduction, convection or radiation.
How is integration through substitution related to the Chain Rule?
i love wikipedia!According to wiki: In calculus, integration by substitution is a method for finding antiderivatives and integrals. Using the fundamental theorem of calculus often requires finding an antiderivative. For this and other reasons, integration by substitution is an important tool for mathematicians. It is the counterpart to the chain rule of differentiation.
Which method of transferring thermal energy requires no matter to pass through?
Radiation
Which is a definition of a radioresistant tumor?
tumor that requires large doses of radiation to be destroyed
What requires a Geiger counter?
It is used to detect radiation, so anywhere there is a suspicion of contamination.
What is thermal energy transfer that requires no matter?
That sounds like the description of heat radiation.
What products can you use little of and still block radiation?
It depends on what kind of radiation... Alpha radiation can be stopped with a sheet of paper or a few inches of air. Beta radiation can be stopped with a thin sheet of metal. Neutron radiation, depending on energy, requires large thicknesses of lead or concrete. Gamma radiation, depending on energy, also requires large thicknesses of lead or concrete. Some of the higher energy gammas, such as cosmic rays, can be quite difficult to stop at all.
