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QAIPM-2001-Ph-2926: NEET 2001 Physics - Class 12 AIPM-2001-Ph-2926 Solution: Half life of a radioactive element is 12.5 hour and its…
Half life of a radioactive element is 12.5 hour and its quantity is 256 g. After how much time its quantity will remain 1 g?
Multiple Choice Options
- A 50 hrs
- B 100 hrs
- C 150 hrs
- D 200 hrs
Step-by-Step Verified Solution
N = N 0 ( 1 2 ) n
_ 1 = 256 ( 1 2 ) n
_ n = 8
Time for 8 half life = 100 hours