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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 electric field associated with an e.m. wave in vacuum is given by
- A lift is moving down with acceleration a.A man in the lift drops a ball
- The resistance in the two arms of the meter bridge are 5Ω and RΩ, respectively
- An ideal gas is compressed to half its initial volume by means of several processes.
- Van der waals,equation of state is(p+a/v²)(V-b)=nRT. The dimensions of a and b
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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