Nuclear Physics And Radioactivity Question 341
Question: After five half lives what will be the fraction of initial substance [RPMT 2000]
Options:
A) $ {{( \frac{1}{2} )}^{10}} $
B) $ {{( \frac{1}{2} )}^{5}} $
C) $ {{( \frac{1}{2} )}^{4}} $
D) $ {{( \frac{1}{2} )}^{3}} $
Show Answer
Answer:
Correct Answer: B
Solution:
$ \frac{N}{N_{0}}={{( \frac{1}{2} )}^{n}}={{( \frac{1}{2} )}^{5}} $
BETA
