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Physics > Radioactivity > Flashcards

Radioactivity Flashcards

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1
Q

What two words can we use to describe radioactive decay?

A

Random and spontaneous

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1
Q

Define Half Life

A

The average time it takes for the number of radioactive nuclei in a sample to decrease by 50%
The average time it takes for the count rate of a sample to decrease by 50%

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Physics (13 decks)

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