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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The dimensional formula of Plancks’s constant and angular momentum are
- The specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
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- The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
- If in an experiment for determination of velocity of sound by resonance tube
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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