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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
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If v is the speed of sound in air, then the shortest length of the closed pipe
- When two small bubbles join to form a bigger one, energy is
- A solid sphere of mass M, radius R and having moment of inertia about an axis passing
- A marble block of mass 2 kg lying on ice when given a velocity of 6 m/s is stopped
- An object is seen through a simple microscope of focal length 12 cm.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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