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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 power factor of an AC circuit having resistance R and inductance L connected
- In old age arteries carrying blood in the human body become narrow resulting
- In the Young’s double slit experiment, the intensity of light at a point on the screen
- If wavelength of a wave is λ=6000 Å, then wave number will be
- The velocity of a particle at an instant is 10 ms⁻¹.After 3 s its velocity will become
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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