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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
- A liquid boils when its vapour pressure equals
- For a parallel beam of monochromatic light of wavelength λ diffraction is produced
- 34 gram of water at 30⁰C is poured into a calorimeter at 15⁰C.
- A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected
- In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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