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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
- A soap bubble oscillates with time period T, which in turn depends on the pressure
- A particle moves a distance x in time but according to equation x=(t+5)⁻¹
- A particle is executing SHM along a straight line. Its velocities at distances
- A 220 volts input is supplied to a transformer. The output circuit draws
- The specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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