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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 solid cylinder of mass 50kg and radius 0.5 m is, free to rotate about the horizontal axis
- The radius of a ball is(5.2±0.2)cm.The percentage error in the volume of the ball
- A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1m
- A coil has resistance 30 ohm and inductive reactance 20 ohmn at 50 Hz frequency.
- 180⁰ phase difference is obtained when light ray is reflected from
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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