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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.
Related Questions: - The binding energy per nucleon of ₃⁷Li and ₂⁴He nuclei are 5.60 MeV and 7.06MeV
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The binding energy per nucleon of ₃⁷Li and ₂⁴He nuclei are 5.60 MeV and 7.06MeV
- A thin ring of radius R meter has charge q coulomb uniformly spread on it
- Find the right condition(s) for Fraunhofer diffraction due to a single slit.
- The de-Broglie wavelength of an electron moving with a velocity 1.5×10⁸ ms⁻¹ is equal
- A battery of emf 10 V and internal resistance 3 ohm is connected to a resistor.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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