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The half-life of a radioactive substance is 30 min. The time (in minutes) taken between 40% decay and 85% decay of the same radioactive substance is
Options
(a) 15
(b) 30
(c) 45
(d) 60
Correct Answer:
60
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In case of linearly polarised light, the magnitude of the electric field vector
- Perfectly black body radiates the energy 18 J/s at 300K. Another ordinary body of e=0.8
- Two thin long conductors seprated by a distance d carry currents
- Angle of contact of a liquid with a solid depends on
- A certain mass of Hydrogen is changed to Helium by the process of fusion
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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