Physics · Nuclei
For a certain radioactive process, a graph between ln R (where R is the activity) and t (in seconds) is a straight line. If the value of ln R at t = 0 is 6 and at t = 10 sec is 4.5, then the value of half-life for the unknown radioactive material is approximately:
- 14.62 sec✓
- 22.62 sec
- 36.93 sec
- 49.15 sec
Correct answer
4.62 sec
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