Chemistry Nuclear Chemistry NTA Abhiyas Question - Nuclear and Surface Chemistry Single Correct MCQ
Published on: August 14, 2026

Four thousand active nuclei of a radioactive material are present at t = 0. After 60 minutes 500 active nuclei are left in the sample. The decay constant of the sample is

A
per minute
B
per minute
C
20 ln (2) per minute
D
60 ln (2) per minute

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Text Solution

Verified by Experts
The correct answer is:
B

per minute

60 minutes = 3 half lives

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