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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
- The wavelength of the short radio waves, microwaves, ultraviolet waves are λ₁,λ₂ and λ₃
- A planar coil having 12 turns carries 15 A current. The coil is oriented with respect
- Laser beams are used to measure long distance because
- An automobile moves on a road with a speed of 54 km h⁻¹. The radius of its wheels
- If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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