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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 area of cross-section of one limb of an U-tube is twice that of the other.
- A beam of electron passes undeflected through mutually perpendicular
- In the elastic collision of objects
- A long solenoid has 500 turns. When a current of 2 ampere is passed through it
- Given the value of Rydberg constant is 10⁷ m⁻¹, the wave number of the last line
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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