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If 20% of a radiactive element decays in 10 days, then amount of original material left after 30 days is (approx)
Options
(a) 78%
(b) 62%
(c) 51%
(d) 48%
Correct Answer:
51%
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Radioactivity
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Application of Bernoulli’s theorem can be seen in
- If both the resistance and the inductance in an LR AC series circuit are doubled
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- Which of the following transitions in hydrogen atoms emit photons of highest frequency?
- The initial rate of increase of current, when a battery of emf 6 V is connected
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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