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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
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Maximum kinetic energy of electrons emitted in photoelectric effect increases when
- A DC ammeter has resistance 0.1Ω and its current ranges 0-100A. If the range
- One way in which the operation of a n-p-n transistor differs from that of a p-n-p
- 1 a.m.u. is equivalent to
- Which one of the following is not a unit of young’s modulus?
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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