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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
- The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is
- Huygen’s wave theory could not explain
- If ₉₂U²³⁸ undergoes successively 8 ∝-decays and 6 β-decays, the resulting nucleus is
- Two coherent sources of different intensities send waves which interfere.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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