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After 300 days, the activity of a radioactive sample is 5000 dps (disintegration per second). The activity becomes 2500 dps after another 150 days. The initial activity of the sample (in dps) is
Options
(a) 20000
(b) 10000
(c) 7000
(d) 25000
Correct Answer:
20000
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 innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
- A particle free to move along X-axis has potential energy given as U(X) =k(1-e⁻ˣ²)
- Dimensions of electrical resistance are
- The necessary condition in making of a junction transistor
- A tangent galvanometer has a coil of 50 turns and a radius of 20 cm. The horizontal
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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