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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
- A particle executes simple harmonic oscillations with an amplitude
- A bar magnet of pole strength 10 A-m is cut into two equal parts breadthwise.
- The net electric force on a charge of +3μC at the mid-point on the line joining two
- The root mean square speed of oxygen molecule (O₂) at a certain temperature is v.
- Colours appear on a thin soap film and soap bubbles due to the phenomenon of
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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