Two radioactive materials X₁ and X₂ have decay constants 5λ and λ respectively

Two Radioactive Materials X And X Have Decay Constants 5 Physics Question

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:

  1. Two positive ions, each carrying a charge q, are separated by a distance d
  2. A heavy small sized sphere is suspended by a string of length l.The sphere rotates
  3. Sound production from tape recorder makes use of
  4. The ratio of magnetic dipole moment of an electron of charge e and mass m
  5. If angular momentum of a body is increased by 200% its kinetic energy will increase

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*