| ⇦ |
| ⇨ |
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 direction of magnetic line of force of a bar magnet is
- If R is the radius of earth, the height at which the weight of a body 1/4 of its weight
- In communication with help of antenna if height is doubled then the range
- 1 a.m.u. is equivalent to
- For photoelectric emission to take place
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The direction of magnetic line of force of a bar magnet is
- If R is the radius of earth, the height at which the weight of a body 1/4 of its weight
- In communication with help of antenna if height is doubled then the range
- 1 a.m.u. is equivalent to
- For photoelectric emission to take place
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