CUSAT 2021 BTech Solved Paper Shift 1
© examsiri.com
Question : 6 of 250
Marks:
+1,
-0
The half-life of 215 At is 100 µ s . The time taken for the radioactivity decay of a sample of 215 At to 1 ∕ 16 th of its initial value is
Go to Question: