#LetsPrepareATC 🏆 Prepare AAI - ATC Exam (2023) with ATC Gurus Mr. Paras Soni & Dr. Abhijit Sen
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Practice Question
The half life of a radioactive substance is 10 years and its initial mass is 1 g. The remaining amount after 20 years is _____.

Select one correct option:

0.75 g Correct 💪 In-correct 🧐
0.50 g Correct 💪 In-correct 🧐
0.25 g Correct 💪 In-correct 🧐
1.00 g Correct 💪 In-correct 🧐