Question

27/ A medical lab has a 100 gm of sample of
radioactive isotopes. After 10 hours it was found
that 75 gm of sample have been decayed. The
half life of the isotope V 1951
(
a. 5hru
b. 10 hr
C. 20 hrs
d. 2.5 hr​

Answer 1

Answer:

5 hrs

Explanation:

Please refer attatchment

I skipped the complex solving part.

I calculated it with a calculator

Answer 2

Answer:

option a

5 hours

hope its help you