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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
- In a n-type semiconductor, which of the following statement is true?
- A 50Hz AC signal is applied in a circuit of inductance of (1/π)H and resistance 2100Ω
- The cylindrical tube of a spray pump has radius R, one end of which has n fine holes,
- Ohm’s law is not applicable except to
- Initial pressure and volume of a gas are P and 800cc. If the final volume is 100cc
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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