Random Pop Quiz

25% of Gallium-65 atoms have decayed after 15 minutes. What is the half-life of Gallium-65?
Choose the right answer:
Option A 30 منٹ
Option B 15 منٹ
Option C 7.5 منٹ
Option D 23.4 منٹ
 WakabaSuzukaze posted پہلے زیادہ سے سال ایک
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