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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
- A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV.
- The radius of curvature of the convex face of a plano-convex lens is 12 cm
- By sucking through a straw, a student can reduce the pressure of his lungs
- A beam of light of wavelength 600 nm from a distant source falls
- The name of ions knocked out from the hot surface is
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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