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The half-life period of a radio-active element X is same as the mean life time of another radio-active element Y. Initially they have the same number of atoms. Then
Options
(a) X and Y decay at same rate always
(b) X will decay faster than Y
(c) Y will decay faster than X
(d) X and Y have same decay rate initially
Correct Answer:
X will decay faster than Y
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 body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
- A particle of mass m is projected with velocity v making an angle of 45° with
- A person can see clearly objects only when they lie between 50 cm and 400 cm from
- Steam at 100⁰C is passed into 20 g of water at 10°C. When water acquires a temperature
- Two solid discs of radii r and 2r roll from the top of an inclined plane
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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