BITSAT 2007 Solved Question Paper

Section: Physics

Question : 70 of 150

Marks: +1, -0

A and B are two radioactive substances whose half-lives are 1 and 2 years respectively. Initially 10g of A and, 1g of B is taken. The time (approximate) after which they will have same quantity remaining is

6.62 year
5 year
3.2 year
7 year

Validate

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