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If the half-life of a material is 10 yr, then in what time, it becomes 1/4th part of the initial amount
Options
(a) 15 yr
(b) 20 yr
(c) 25 yr
(d) 30 yr
Correct Answer:
20 yr
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
- At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure
- The half-life of radioactive element is 600 yr. The fraction of sample
- Weight of a body of mass m decreases by 1% when it is raised to height h
- A photocell employs photoelectric effect to convert
- Maximum range for a projectile motion is given as R. The maximum height will be
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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