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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
- To draw the maximum current from a combination of cells, how should be the cells
- A 120 m long train is moving in a direction with speed 20 m/s.A train B moving
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
- If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits
- Two coherent monochromatic beams of intensities I and 4I respectively, are superposed.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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