How Much Radioactivity Is In A Banana

For comparison a chest x ray delivers 10 mrem. Does eating a banana increase your radiation exposure.

Banana Equivalent Dose Wikipedia

how much radioactivity is in a banana

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In fact this is whats known as the banana equivalent dose or the amount of radiation exposure youll receive from eating that singular banana up there.

How much radioactivity is in a banana. The element is essential for proper nutrition. The average banana contains about half a gram of potassium. A quick calculation 1001 shows that it would take an ingestion of at least a thousand bananas to result in an exposure of 10 mrem which would then increase the risk of death by 1 in a million.

Its due to the naturally occurring radioactive isotope potassium 40 which in fact has a half life of 125 billion years contained in each and every banana youve ever eaten. Nevertheless eating that banana does not add to the annual radiation dose of the human being who eats it. The seemingly innocent banana is so radioactive that its used as a measurement of radiation in itself as in equivalent to x bananas each banana contains 45 mg of potassium which includes the.

A team in china working on improving the way scientists measure a rooms radioactivity calculated how much radiation an average room gives off. According to recent research and some of my own calculations sitting in your living room for an hour yields roughly the same dose of radiation as eating half a banana. This is largely because your question is inaccurate at least i presume it to be as youve made a common mistake.

The k 40 in such a banana will hold about 15 becquerels of radioactivity. Id even argue none at all and people would have a hard time proving me wrong without some serious math. 10 gy 10sv 2 to start having symptoms from chronic exposure.

The average banana contains around 450 mg of potassium and will experience about 14 decays each second. Banana equivalent dose bed is an informal measurement of ionizing radiation exposure intended as a general educational example to compare a dose of radioactivity to the dose one is exposed to by eating one average sized bananabananas contain naturally occurring radioactive isotopes particularly potassium 40 40 k one of several naturally occurring isotopes of potassium. Which is to say 100 grams of banana gives you 000003936 grams of k 40.

Your body can handle low levels of radioactivity. 100 grams of banana have 0328 grams of potassium of which 0012 per cent is k 40. You already have potassium in your body 001 as k 40.

Its no big deal. A banana contains about 450 mg of potassium and when eaten exposes the consumer to about 001 mrem due to its k 40 content. 01 gyyr for at least 7 years.

Bed of one banana at most one microsievert or 1 msv 1 to die from a single exposure within days.

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