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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
- Two cells, having the same e.m.f. are connected in series through an external resistance
- MA⁻¹T⁻² is the dimensional formula of
- An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long
- The maximum and minimum intensities of two sources is 4:1. The ratio of amplitude is
- When a ball is thrown up vertically with velocity vₒ,it reaches a maximum height
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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