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How is the radiation pattern of a parabolic reflector antenna plotted?
The paraolic antenna has a high degree of "directivity" compared to many other antennas. That gives these puppies big gain. But they need to be pointed in the "right" direction to work well. This...
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A good reflector of radiation is a?
Poor absorber of radiation
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What is lower alpha radiation- beta radiation or gamma radiation?
Gamma comes as a result of alpha or beta. Gammas covers a bigger area than beta and alpha and is in that way more dangerous, but if you ever get alpha radiation inside of you, that is very dangerous.
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What is stronger alpha radiation beta radiation or gamma radiation?
Of alpha, beta and gamma radiation, gamma radiation has the greater ability to penetrate either shielding or living tissue. The penetration issue aside, a contact source that is an alpha emitter can...
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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,...