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A radiactive substance emits 100 beta particles in the first 2s and 50 beta particles in the next 2s. The mean life of the sample is
Options
(a) 4 s
(b) 2 s
(c) 2/0.693 s
(d) 2×0.693 s
Correct Answer:
2/0.693 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 plank with a box on it at one end is gradually raised about the other end.
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
- The self-inductance of a coil having 500 turns is 50mH. The magnetic flux
- On heating a ferromagnetic substance above curie temperature
- A cyclist is riding with a spped of 27 km/h.As he approaches a circular turn
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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