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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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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations
- Huygen’s principle of secondary wavelets may be used to
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
- A wire in the form of a circular loop of one turn, carrying a current, produces
- The moment of inertia of a rod about an axis through its centre and perpendicular
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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