TS EAMCET Medical 2018 May 2 Shift 1 Paper

© examsiri.com
Question : 117 of 160
 
Marks: +1, -0
A hypothetical radioactive element has a half-life of 20 years. The time it takes for 80% of the substance to decay is
(In 5 = 1.6, In 2 = 0.7)
Go to Question: