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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
- Which of the following transitions in hydrogen atoms emit photons of highest frequency?
- If potential(in volts) in a region is expressed as V(x,y,z) = 6xy – y + 2yz,
- A body starts from rest with an acceleration of 2 m/s². After 5 second,
- A flywheel rotating about a fixed axis has a kinetic energy of 360 J when
- A transformer having efficiency of 90% is working on 200 V and 3kW power supply
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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