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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
- The drift velocity of the electrons in a copper wire of length 2 m under
- A bus is moving with a velocity of 5 ms⁻¹ towards a huge wall.
- A radio isotope X with a half life 1.4 x 10⁹ years decays to Y which is stable
- A hemispherical bowl of radius R is rotating about its axis of symmetry
- The speed of an electron having a wavelength of 10⁻¹⁰ m is
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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