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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.
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The unit of electric permittivity is
- A lens having focal length f and aperture of diameter d forms an image of intensity I
- A body of mass 120 kg and density 600 kg/m³ floats in water.
- If in a L-R series circuit the power factor is 1/2 and R=100Ω, then the value of L is,
- In forward biasing of the p-n junction
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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