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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
- Van der waals,equation of state is(p+a/v²)(V-b)=nRT. The dimensions of a and b
- An alternating voltage of 220 V, 50 Hz frequency is applied across a capacitor
- A thin ring of radius R meter has charge q coulomb uniformly spread on it
- A battery of e.m.f. E and internal resistance r is connected to an external resistance
- Which of the following combinations should be selected for better tuning of an L-C-R
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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