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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle of mass m, charge Q and kinetic enery T enters a transverse
- A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver.
- The length of second pendulum is 1 m on earth. If mass and diameter
- To what temperature should the hydrogen at room temperature (27°C) be heated at constant
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Topics: Radioactivity (83)
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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