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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 ratio of magnetic dipole moment of an electron of charge e and mass m
- A 2 kg mass starts from rest on an inclined smooth surface with inclination
- The fossil bone has a ¹⁴C:¹²C ratio, which is [1/16] of that in a living animal
- A bomb of mass 16 kg at rest explodes into two pieces of masses of 4 kg and 12 kg.
- In a n-p-n transistor about 10¹⁰ electrons enter the emitter in 2 μs,
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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