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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 lift is moving down with acceleration a.A man in the lift drops a ball
- The equiconvex lens has focal length f. If it is cut perpendicular to the principal
- α-particles, deuterons and protons of same energy are moving in a perpendicular
- A radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
- A 36 Ω galvanometer is shunted by resistance of 4 Ω. The percentage of the total current
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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