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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a potentiometer experiment, the balancing with a cell is at length 240 cm.
- Length of a string tied to two rigid supports is 40 cm. Maximum length
- An alpha nucleus of energy 1/2 mv² bombards a heavy nuclear target of charge Ze
- A particle of mass 100g tied to a string is rotated along a circle of radius 0.5 m
- A choke is preferred to a resistance for limiting current in AC circuit because
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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