Atoms And Nuclei Question 363
Question: ` Half lives of two isotopes X and Y of a material are known to be and respectively If a planet was formed with equal number of these isotopes, then the current age of planet, given that currently the material has 20% of X and 80% of Y by number, will be
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: D
Solution:
years