⇦ | ⇨ |
Two radioactive materials X₁ and X₂ have decay constants 5λ and λ respectively. If initially they have the same number of nuclei, then the ratio of number of nuclei of X₁ to that of X₂ will be 1/e after a time
Options
(a) λ
(b) 1/2 λ
(c) 1/4 λ
(d) e/λ
Correct Answer:
1/4 λ
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The force F acting on a particle of mass m is indicated by the force-time graph
- A particle of mass M is executing oscillations about the origin on the x-axis.
- An elevator car whose floor to ceiling distance is equal to 2.7m starts
- The ratio of speed of an electron in ground state in Bohr’s first orbit of hydrogen atom
- Two beams of light having intensities I and 4I interfere to produce a fringe pattern
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The force F acting on a particle of mass m is indicated by the force-time graph
- A particle of mass M is executing oscillations about the origin on the x-axis.
- An elevator car whose floor to ceiling distance is equal to 2.7m starts
- The ratio of speed of an electron in ground state in Bohr’s first orbit of hydrogen atom
- Two beams of light having intensities I and 4I interfere to produce a fringe pattern
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