| ⇦ | 
| ⇨ |
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: - A short bar magnet of magnetic moment 0.4 JT⁻¹ is placed in a uniform magnetic field
- If M (A; Z), Mₚ and Mₙ denote the masses of the nucleus AZ X, proton
- A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes
- If temperature of gas increases from 27°C to 927°C, the kinetic energy will be
- The maximum and minimum intensities of two sources is 4:1. The ratio of amplitude is
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A short bar magnet of magnetic moment 0.4 JT⁻¹ is placed in a uniform magnetic field
- If M (A; Z), Mₚ and Mₙ denote the masses of the nucleus AZ X, proton
- A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes
- If temperature of gas increases from 27°C to 927°C, the kinetic energy will be
- The maximum and minimum intensities of two sources is 4:1. The ratio of amplitude is
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