| ⇦ | 
| ⇨ |
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.
Related Questions: - Two Carnot engine A and B are operated in series. The engine A receives
- Potentiometer measures the potential difference more accurately than a voltmeter
- A solid which is transparent to visible light and whose conductivity increases
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- The wavelength of the first line of Lymasn series for hydrogen atom is equal
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two Carnot engine A and B are operated in series. The engine A receives
- Potentiometer measures the potential difference more accurately than a voltmeter
- A solid which is transparent to visible light and whose conductivity increases
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- The wavelength of the first line of Lymasn series for hydrogen atom is equal
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply