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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
- The molecular weight of a gas is 44. The volume occupied by 2.2 g of this gas
- The potential energy of particle in a force field is U = A/r² – b/r, where A and B
- The mean radius of the earth is R, its angular speed on its own axis is ?
- You are marooned on a frictionless horizontal plane and cannot exert any horizontal
- If ∆U and ∆W represent the increase in internal energy and work done by the system
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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