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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following is not a unit of young’s modulus?
- The magnifying power of a convex lens of focal length 10 cm, when the image
- When you move from equator to pole, the value of acceleration due to gravity (g)
- A bullet is shot from a riffle. As a result the rifle recoils.The kinetic energy of riffle
- In gamma ray emission from a nucleus
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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