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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
- A body is thrown vertically upward in air when air resistance is taken into account
- 10 mA current can pass through a galvanometer of resistance 25 ohm.
- A ball is thrown vertically downwards from a height of 20 m with an initially
- A 1 µA beam of protons with a cross-sectional area of 0.5 sq.mm is moving with a velocity
- During an adiabatic process, the cube of the pressure is found to be inversely
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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