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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 moon’s radius is 1/ 4 that of the earth and its mass is 1 / 80 times that of the earth
- In a primary coil 5 A current is flowing on 220 V. In the secondary coil 2200 V
- A black hole is an object whose gravitational field is so strong that even light
- A tangent galvanometer has a coil of 50 turns and a radius of 20 cm. The horizontal
- The excess pressure inside one soap bubble is three times that inside a second soap bubble
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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