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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
- Maximum velocity of the photoelectron emitted by a metal is 1.8×10⁶ ms⁻¹.
- When current I is flowing through a conductor, the drift velocity is v.
- In the Bohr’s model of hydrogen atom, the ratio of the kinetic energy to the total
- Two tuning forks are sounded together and produce 2 beats per second.
- X-rays when incident on a metal
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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