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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
- Two metal wires of identical dimensions are connected in series. If σ₁ and σ₂ are
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
- Two liquid drops having diameters of 1 cm and 1.5 cm. The ratio of excess
- A person wants a real image of his own, 3 times enlarged. Where should he stand
- A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km long
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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