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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two straight wires each 10cm long are parallel to one another and seperated by 2 cm.
- As a result of interference of two coherent sources of light, energy is
- The energy of a hydrogen atom in the ground state is – 13.6 eV. The energy of a He⁺ ion
- The ratio of specific heats Cp/Cv=γ in terms of degrees of freedom (n) is given by
- Electrons in a certain energy level n=n₁, can emit 3 spectral lines. When they
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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