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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 polished metal plate has a rough and black-spot. It is heated to 1400 K
- A body of mass 1.0 kg is falling with an acceleration of 10 ms⁻².
- What will be the ratio of the distance moved by a freely falling body from rest in 4th
- What is the energy of photon whose wavelength is 6840 Å?
- A current is flowing through resistance. A potential difference of 120 V
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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