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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle moves along a circle of radius 20/π m with constant tangential acceleration
- A transistor is operated in common-emitter configuration at Vᵥ = 2 V such that a change
- A linear aperture whose width is 0.02 cm is placed immediately in front of a lens
- The angle of incidence at which reflected light is totally polarised for refraction
- A radiactive substance emits 100 beta particles in the first 2s and 50 beta
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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