In 24 days a radioactive isotope decreases in m... - WAEC Physics 1994 Question
In 24 days a radioactive isotope decreases in mass from 64g to 2g. What is the half life of the radioactive material
A
0.75 days
B
2.58 days
C
4 days
D
4.80 days
correct option: d
64g → 32g → 16g → 8g → 4g → 2g
Half life time= 24/5 = 4.8 days
Half life time= 24/5 = 4.8 days
Please share this, thanks:
Add your answer
No responses