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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 automobile engine develops 100 kW when rotating at a speed of 1800 rev/min
- In Young’s double slit experiment, the intensity of light coming from the first slit
- In an ac circuit an alternating voltage e = 200 √2 sin 100 t volts is connected
- The electrons are emitted in the photoelectric effect from a metal surface
- The first line in Lyman series has wavelength λ. The wavelength
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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