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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
- A block of mass 0.50 kg is moving with a speed of 2.00 ms⁻¹ on a smooth surface.
- Four identical cells of emf Ԑ and internal resistance r are to be connected in series.
- A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³
- A glass slab consists of thin uniform layers of progressively decreasing refractive
- A ball is projected upwards from the foot of a tower. The ball crosses the top
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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