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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 identical circular coils A and B are kept on a horizontal tube
- A 0.5 kg ball moving with a speed of 12 m/s strikes a hard wall at an angle
- In a region, the potential is represented by V(x,y,z)=6x-8xy-8y+6yz, where V
- A n-p-n transistor is connected in common emitter configuration in a given amplifier.
- A particle is moving in a circle with uniform speed v. In moving from a point to another
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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