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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The periodic waves of intensities I₁ and I₂ pass through a region at the same time
- A uniform plank of Young’s modulus Y is moved over a smooth horizontal surface
- A capacitor of capacitance 100μF is charged by connecting it to a battery of voltage
- A radioactive substance contains 10000 nuclei and its halflife period is 20 days
- A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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