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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 particle is dropped vertically from rest, from a height.The time taken by it to fall
- An object placed at 20 cm in front of a concave mirror produces three times
- The wavelength λₑ of an electron and λₚ of a photon are of same energy E are related by
- A bubble is rising from bottom of a lake. The volume of bubble becomes
- The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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