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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
- The term liquid crystal refers to a state that is intermediate between
- Energy of all molecules of a monoatomic gas having a volume V and pressure P is 3PV/2.
- A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof
- A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
- A spherical shell of radius 10cm is carrying a charge q. If the electric potential
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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