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The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol. The number of atoms that will dacay from its 1g sample per second will be (take, Avogadro’s number, Nᴀ=6.023×10²³ atom/kilo mol)
Options
(a) 3.61×10¹⁰
(b) 31.1×10¹⁵
(c) 3.6×10¹²
(d) 3.11×10¹⁵
Correct Answer:
3.61×10¹⁰
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
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The excess pressure inside one soap bubble is three times that inside a second soap bubble
- X-ray beam can be deflected by
- What are the unit of K = 1 / (4 π ?￢ﾂﾒ)
- The displacement of particle is given by x=aₒ+(a₁t/2)-(a₂t²/3) what is acceleration?
- A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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