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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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- which of the following statement is false for the properties of electromagnetic waves?
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In Young’s double slit interference experiment, using two coherent waves
- which of the following statement is false for the properties of electromagnetic waves?
- A small rod of bismuth is suspended freely between the poles of a strong electromagnet.
- A particle of mass 100g tied to a string is rotated along a circle of radius 0.5 m
- Two balls of mass m₁ and m₂ are separated from each other by powder charge
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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