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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
- An ideal gas expands in such a manner that its pressure and volume can be related
- A radiation of energy ‘E’ falls normally on a perfectly reflecting surface
- Characteristic X-rays are produced due to
- The voltage of an a.c.supply varies with time (t) as V=120 sin 100 πt the maximum voltage
- The electric field associated with an e.m. wave in vacuum is given by
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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