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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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- A cyclist is riding with a spped of 27 km/h.As he approaches a circular turn
- In India, electricity is supplied for domestic use at 200V. It is supplied at 110 V
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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