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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
- Two radiations of photons energies 1 eV and 2.5 eV, successively
- A metal wire of circular cross-section has a resistance R₁. The wire is now stretched
- A particle of mass m is projected with a velocity v making an angle of 45°
- Two capacitors of capacitances 2 μF and 3 μF are joined in series.
- 64 identical spheres of charge q and capacitance C each are combined to form a large
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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