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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
- The electric current in AC circuit is given by the relation i-3 sinωt+4 cos ωt.
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
- Two identical long conducting wires AOB and COD are placed at right angle
- A car accelerates from rest at constant rate for first 10s and covers a distance x.
- A current of 5 A is passing through a metallic wire of cross-sectional area 4×10⁻⁶ m².
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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