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Radiation: Range in Air

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Uploaded by on Dec 5, 2009

A video demonstrating the range in air of radiation emitted from three different sources: Plutonium-239, an alpha source; Strontium-90, a beta source; and Radium-226, a gamma source.

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Uploader Comments (QuantumBoffin)

  • isn't alpha beta and gamma rays emitted simultaneously?if not why????

  • @TheMichaeljohnny Some sources do emit several types simultaneously, usually because the source decays into another radioisotope which then subsequently also decays, emitting a different type of radiation in the process.

    In this instance, however, I deliberately chose sources which emit just a single type.

  • is not dangerous?

  • @MrTOMO16 The amount of Plutonium involved is tiny - smaller than a speck of dust.

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  • @dirtybird2212

    Good stuff~

  • In light of the current Daiichi problem, it would be helpful for everyone to know what time recording monitor would be best utilized for the type of radiation that may be passing or entering an area.

  • @ghostblacklover if you ask a question your fool for a minute, if you never ask a question you'll be a fool for life

  • I had meant it to just run continuously, but actually had it set up to reset itself every 10 seconds - you can tell whether it's counting or not from the little red LED above the display.

  • @QuantumBoffin Thanks! What units is it measured in? Is it counts per second?

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