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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
- Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively
- A transistor is operated in common-emitter configuration at Vᵥ = 2 V such that a change
- A force of 10 newton acts on a body of mass 20 kg for 10 seconds. Change in its momentum
- If the unit of force and length are doubled, then unit of energy will be
- A bar magnet of moment of inertia I is vibrated in a magnetic field of induction
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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