Two radioactive elements X and Y have half-lives of and respectively. Initial samples of both elements contain the same number of atoms. What is the ratio of the remaining number of atoms of X to Y af

Question

Two radioactive elements X and Y have half-lives of $50	ext{ min}$ and $100	ext{ min}$ respectively. Initial samples of both elements contain the same number of atoms. What is the ratio of the remaining number of atoms of X to Y after exactly $200	ext{ min}$?

Prashant Kotian · Accepted Answer

Correct answer: B. For X: half-lives. Remaining X = . For Y: half-lives. Remaining Y = . Ratio X:Y = . Thus, .

💡 Solution & Explanation

Practice 22,000+ questions like this