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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.
Related Questions: - The unit of thermal conductivity is
- A coil of resistance 20 ohm and inductance 5H is connected with a 100V battery
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The unit of thermal conductivity is
- A coil of resistance 20 ohm and inductance 5H is connected with a 100V battery
- A very small circular loop of radius a is initially (at t=0) coplanar and concentric
- A carnot engine working between 300 K and 600 K has a work output of 800J per cycle.
- The work done in which of the following processes is zero?
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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