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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
- An inductor 20 mH, a capacitor 50 μF and a resistor 40Ω are connected in series
- A nucleus with mass number 220 initially at rest emits an α-particle. If the Q-value
- A block slides from an inclination of 45°.If it takes time twice
- A body of mass 0.25 kg is projected with muzzle velocity 100 m/s from a tank
- A car of mass m is moving on a level circular track of radius R
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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