BITSAT 2016 Paper

Section: Physics

Question : 10 of 150

Marks: +1, -0

A radioactive element X converts into another stable element Y. Half life of X is 2 hrs. Initially only X is present. After time t, the ratio of atoms of X and Y is found to be 1 : 4, then t in hours is

2
4
between 4 and 6
6

Validate

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