2 years ago

The least penetrating form of radiation consists of___.

Physics

1 answer:

galben [10]2 years ago

3 0

Alpha radiation is the least penetrative. Alpha particles contain two protons and two neutrons.

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If this decay has half-life of 2 years, how many years would it take for 10.8 g Protactinium-231 to remain given an initial mass

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Time = 6 years

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First, we will calculate the no. of half life periods required to reduce the mass of Protactinium to the given value:

$m' = \frac{m}{2^{n} } \\\\2^n = \frac{m}{m'}$

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