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A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta particles in the next 2 s. The mean life of the sample is
Options
(a) 4 s
(b) 2 s
(c) 1/(ln 2) s
(d) 2 (ln 2) s
Correct Answer:
1/(ln 2) s
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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- A vibrating string of certain length l under a tension T resonates with a mode
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a semiconductor
- A vibrating string of certain length l under a tension T resonates with a mode
- Two bulbs 60 W and 100 W designed for voltage 220 V are connected in series
- A body projected vertically from the earth reaches a height equal to earth’s radius
- The order of the electric field near the earth’s surface is
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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