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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 ionisation energy of an electron in the ground state of helium atom is 24.6 eV.
- Solar radiation is
- Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
- A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
- When a metallic surface is illuminated with radiation of wavelength λ,
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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