Home Physics Atomic and Nuclear Physics JEE Main 2021 There are radioactive nuclei in a given rad…
Physics Atomic and Nuclear Physics JEE Main 2021 MCQ (Single Correct)

There are radioactive nuclei in a given radioactive element, its half-life time is 1 minute. How many nuclei will remain after 30 seconds?

A
B
C
D

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The correct answer is:
B

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