One gram of 90 Sr gets converted to 0.953 g after 2 years. The half life of 90 Sr, and the amount of 90 Sr remaining after 5 years are

ABC26PH0473 · Kinetics

Subject: Physical Chemistry · Chapter: Kinetics · Topic: Kinetics – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium

One gram of ${ }^{90} \mathrm{Sr}$ gets converted to 0.953 g after 2 years. The half life of ${ }^{90} \mathrm{Sr}$, and the amount of ${ }^{90} \mathrm{Sr}$ remaining after 5 years are

(a)1.44 years and 0.916g

(b)57.6 years and 0.75 g

(c)28.8 years and 0.887 g

(d)100 ears and 0.982 g

Answer

Answer (as printed): C

Explanation

No explanation was printed for this question.

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