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Activity of a radioactive sample decreases to (1/3)rd of its original value in 3 days. Then, in 9 days its activity will become
Options
(a) (1/27) of the original value
(b) (1/9) of the original value
(c) (1/18) of the original value
(d) (1/3) of the original value
Correct Answer:
(1/9) of the original value
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
- Heat is supplied at constant pressure to diatomic gas. The part of this heat that goes
- A transformer having efficiency of 90% is working on 200 V and 3kW power supply
- The wheel of a car is rotating at the rate of 1200 rev/min. On pressing
- A disc of mass 100 g is kept floating horizontally in air by firing bullets
- An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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