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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
- Given a sample of radium-226 having half-life of 4 days. Find the probability,
- Height of geostationary satellite is
- On the horizontal surface of a truck a block of mass 1 kg is placed (µ=0.6) and truck
- A body travels 200 cm in the first two seconds and 220 cm in the next 4 secs
- The body of mass m hangs at one end of a string of length l, the other end of which
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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