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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A wire is stretched under a force. If the wire suddenly snaps the temperature
- A 1 µA beam of protons with a cross-sectional area of 0.5 sq.mm is moving with a velocity
- If rope of lift breaks suddenly, the tension exerted by the surface of the lift
- The component of vector A=2i+3j along the vector i+j is
- A layer of colourless oil spreads on water surface. White light is incident on it
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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