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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
- Weight of a body of mass m decreases by 1% when it is raised to height h
- A bar magnet of magnetic moment M is placed at right angles to a magnetic
- Sound waves travel at 350m/s through a warm air and at 3500 m/s through brass
- If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental
- A radioactive element forms its own isotope after 3 consecutive disintegrations.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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