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. The self-inductance of a coil having 500 turns is 50mH. The magnetic flux
  2. If a small amount of antimony is added to germanium crystal
  3. In an NPN transistor the collector current is 24 mA. If 80% of the electrons
  4. With what minimum acceleration can a fireman slide down a rope while breaking
  5. If the velocity of an electron increases, then its de Broglie wavelength will

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Your email address will not be published.


*