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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
- If light emitted from sodium bulb is passed through sodium vapour,
- In an AC circuit the potential differences across an inductance and resistance joined
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
- Two bodies of mass 1 kg and 3 kg have positive vectors i + 2j + k and -3i -2j + k
- The electric vector vibration of an electromagnetic wave is given by
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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