The half-life of a radioactive element is 5 years, then the fraction of the radioactive substance that remains after 20 years is

🎲 Try a Random Question  |  Total Questions in Quiz: 78  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
General Physics Previously Asked Questions: Nuclear Physics — practice the complete quiz, review flashcards, or try a random question.


The half-life of a radioactive element is 5 years, then the fraction of the radioactive substance that remains after 20 years is