| ⇦ | 
| ⇨ |
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: - A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three
- A wave travelling in the +ve x-direction having displacement along y-direction as 1m
- The ratio of magnetic dipole moment of an electron of charge e and mass m
- The radius of a ball is(5.2±0.2)cm.The percentage error in the volume of the ball
- If n₁, n₂ and n₃ are the fundamental frequencies of three segments into which a string
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three
- A wave travelling in the +ve x-direction having displacement along y-direction as 1m
- The ratio of magnetic dipole moment of an electron of charge e and mass m
- The radius of a ball is(5.2±0.2)cm.The percentage error in the volume of the ball
- If n₁, n₂ and n₃ are the fundamental frequencies of three segments into which a string
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