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If the half-life of a material is 10 yr, then in what time, it becomes 1/4th part of the initial amount
Options
(a) 15 yr
(b) 20 yr
(c) 25 yr
(d) 30 yr
Correct Answer:
20 yr
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The S.I. unit of electric flux is
- The ratio of longest wavelength corresponding to Lyman and Blamer series
- Van der waals,equation of state is(p+a/v²)(V-b)=nRT. The dimensions of a and b
- If an electron and a positron annihilate, the energy released is
- The acceleration due to gravity becomes (g/2) where g=acceleration due to gravity
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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