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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.
Related Questions: - Two poles of same strength attract each other with a force of magnitude F
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two poles of same strength attract each other with a force of magnitude F
- A radioactive element forms its own isotope after 3 consecutive disintegrations.
- If a spring of spring constant k stretched by a length x under tension T, the energy
- Out of the following which pair of quantities does not have same dimensions?
- Two charges of equal magnitude q are placed in air at a distance 2a
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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