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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 transverse wave is represented by y = a sin (?t – kx)
- Magnetic induction produced at the centre of a circular loop carrying current is B.
- Huygen’s principle of secondary wavelets may be used to
- The energy band gap is maximum in
- The current in a self-inductance L=40 mH is to be increased uniformly from 1A to 11 A
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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