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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
- Two thin lenses when placed in contact, then the power of combination is +10 D.
- Find the fundamental frequency of a closed pipe if the length of air column is 42m.
- Thin uniform rod of length L, cross-sectional area A and density ρ is rotated
- A body of mass M hits normally a rigid wall with velocity V and bounces back
- Two bulbs 60 W and 100 W designed for voltage 220 V are connected in series
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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