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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 magnifying power of a convex lens of focal length 10 cm, when the image
- A heavy uniform chain lies on a horizontal top table.If the coefficient of friction
- An electric dipole of moment p is lying along a uniform electric field E. The work
- A radioactive element forms its own isotope after 3 consecutive disintegrations.
- A particle in simple harmonic motion is described by the displacement function
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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