| ⇦ | 
| ⇨ |
If the half-life of a material is 10 yr, then in what time, it becomes 1/4th part of the initial amount
Options
(a) 15 yr
(b) 20 yr
(c) 25 yr
(d) 30 yr
Correct Answer:
20 yr
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A point performs simple harmonic oscillation of period T and the equation of motion
- The approxiamate ratio of nuclear mass densities of ₇₉Au¹⁹⁷ and ₄₇ Ag¹⁰⁷ nuclei is
- Small drops of the same size are charges to V volt each. If n such drops coalesce
- A mixture consists of two radioactive materials A₁ and A₂ with half lives of 20s
- A mass m moving horizontally (along the x-axis) with velocity v collides and sticks
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A point performs simple harmonic oscillation of period T and the equation of motion
- The approxiamate ratio of nuclear mass densities of ₇₉Au¹⁹⁷ and ₄₇ Ag¹⁰⁷ nuclei is
- Small drops of the same size are charges to V volt each. If n such drops coalesce
- A mixture consists of two radioactive materials A₁ and A₂ with half lives of 20s
- A mass m moving horizontally (along the x-axis) with velocity v collides and sticks
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