| ⇦ | 
| ⇨ |
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: - An electron in a circular orbit of radius 0.05 nm performs 10¹⁶ rev/s. The magnetic
- Length of second pendulum is
- A photosensitive metallic surface has work function, hν₀. If photons of energy
- Two coherent sources of intensity ratio α interfere. In interference pattern,
- The binding energy of deutron is 2.2 MeV and that of ₂⁴He is 28 MeV.
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An electron in a circular orbit of radius 0.05 nm performs 10¹⁶ rev/s. The magnetic
- Length of second pendulum is
- A photosensitive metallic surface has work function, hν₀. If photons of energy
- Two coherent sources of intensity ratio α interfere. In interference pattern,
- The binding energy of deutron is 2.2 MeV and that of ₂⁴He is 28 MeV.
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