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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
- A nucleus with mass number 220 initially at rest emits an α-particle. If the Q-value
- Large transformers, when used for some time, become hot and are cooled by circulating
- Ohm’s law valid
- If (range)² is 48 times (maximum height)², then angle of projection is
- In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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