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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
- The fossil bone has a ¹⁴C:¹²C ratio, which is [1/16] of that in a living animal
- The mean radius of the earth is R, its angular speed on its own axis is ?
- An engine pumps water continuously through a hose. Water leaves the hose
- The quantity having the same units in all systems of unit is
- The speed of electromagnetic waves in vaccum is equal to
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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