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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
- Calcium plate has a maximum possible radiation wavelength 400 nm to eject electrons.
- A person can see clearly objects only when they lie between 50 cm and 400 cm from
- A metal wire of circular cross-section has a resistance R₁. The wire is now stretched
- In the phenomenon of electric discharge through gases at low pressure,
- The friction of the air causes a vertical retardation equal to 10%
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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