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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 charged oil drop is suspended in a uniform field at 3×10⁴ V/m so that it neither falls
- A block of mass m is placed on a smooth wedge of inclination θ
- The body of mass m hangs at one end of a string of length l, the other end of which
- A particle moves with constant speed v along a circular path of radius r and completes
- The S.I. unit of electric flux is
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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