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A radioactive substance contains 10000 nuclei and its halflife period is 20 days. The number of nuclei present at the end of 10 days is
Options
(a) 7070
(b) 9000
(c) 8000
(d) 7500
Correct Answer:
7070
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
- In the series resonance the value of impedence is 3 Ω and the resistance is 4Ω,
- A thermocouple is made from two metals, antimony and bismuth. If one junction
- Two metal spheres of radii 0.01m and 0.02m are given a charge of 15mC and 45mC
- A transverse wave is represented by y = a sin (?t – kx)
- In a n-p-n transistor about 10¹⁰ electrons enter the emitter in 2 μs,
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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