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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Dimensions formula for surface tension is
- The displacement ‘x’ (in meter) of a particle of mass ‘m’ (in kg) moving in one
- when a magnetic field is applied on a stationary electron, then it
- The specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
- Two charged spheres seperated at a distance d exert a force F on each other.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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