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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 force of repulsion between two electrons at a certain distance is F.
- An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
- A body of mass m=3.513 kg is moving along the x-axis with a speed of 5 m/s
- If 10000 V is applied across an X-ray tube, what will be the ratio of de-Broglie
- Two particles P and Q start from origin and execute simple harmonic motion along X-axis
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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