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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
- The shortest wavelength in Lyman series is 91.2 nm. The largest wavelength
- During mean life of a radioactive element, the fraction that disintegrates is
- A particle starts its motion from rest under the action of a constant force
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
- Which of the following transitions in hydrogen atoms emit photons of highest frequency?
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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