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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
- Moment of inertia of a uniform circular disc about a diameter is I. Its moment
- In common base circuit of a transistor, current amplification factor is 0.95.
- A body takes 5 minute for cooling from 50⁰C to 40⁰C. Its temperature
- A charged particle with a velocity 2×10³ ms⁻¹ passes undeflected through electric field
- In forward biasing of the p-n junction
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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