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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 solenoid has length 0.4 cm, radius 1 cm and 400 turns of wire. If a current
- If a charge on the body is 1nC, then how many electrons are present on the body?
- Two spherical bodies of mass M and 5 M and radii R and 2 R released in free space
- The time period of a mass suspended from a spring is T. If the spring is cut into four
- A small block of super dense material has mass 3 x 10²⁴ kg.It is situated at a height
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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