Nuclear Physics And Radioactivity Question 64
Question: A freshly prepared radioactive sample of half- life 1 hour emits radiations that are 128 times as intense as the permissible safe limit. The minimum time after which this sample can be safely used is [KCET 1996]
Options:
A) 14 hours
B) 7 hours
C) 128 hours
D) 256 hours
Show Answer
Answer:
Correct Answer: B
Solution:
Similar to Q. 40.
BETA
