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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 Si and a Ge diode has identical physical dimensions. The bandgap in Si is larger
- The innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
- When a bullet of mass 10 g and speed 100 ms⁻¹ penetrates up to distance 1 cm
- A light emitting diode(LED) has a voltage drop of 2 volt across it
- Three capacitors each of capacitance C and of breakdown voltage V are joined in series
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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