The half-life of radioisotopic bromine - 82 is 36 hours. The fraction which remains after one day is _____ .
(Given antilog )
(Given antilog )
Answer: 63
Solution
For first-order radioactive decay, .
Using with hours:
Taking the antilog (given as 1.587):
The fraction of bromine-82 remaining after one day is .
Using with hours:
Taking the antilog (given as 1.587):
The fraction of bromine-82 remaining after one day is .
JEE Main · 2024 · 29 Jan 2024 · Shift 2 · Integer answer