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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
- At the first minimum adjacent to the central maximum of a single-slit diffraction
- A electric dipole is placed at an angle of 30⁰ to a non-uniform electric field.
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- If R is the radius of earth, the height at which the weight of a body 1/4 of its weight
- A stone of mass 1 kg tied to a light inexensible string of length L=10/3 is whirling
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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