NEST2022PhysicsNuclear Physics
A detector records 200 events from the decay of a radioactive sample in the first 10 s. It records 74 events in the next 10 s . The half life of the sample is
Options
- A10 s
- B9 s
- C7 s
- D3 s
Correct answer
C. 7 s
Step-by-step solution
No solution available.