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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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- A particle moving in a straight line with uniform acceleration is observed
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The optical path of a monochromatic light is same if it goes through 4.0 cm
- A particle moving in a straight line with uniform acceleration is observed
- The quantity having the same units in all systems of unit is
- When a light beam of frequency v is incident on a metal surface,
- A marble block of mass 2 kg lying on ice when given a velocity of 6 m/s is stopped
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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