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A radiactive substance emits 100 beta particles in the first 2s and 50 beta particles in the next 2s. The mean life of the sample is
Options
(a) 4 s
(b) 2 s
(c) 2/0.693 s
(d) 2×0.693 s
Correct Answer:
2/0.693 s
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
- In electromagnetic spectrum, the frequencies of γ-rays and x-rays and ultraviolet rays
- The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve
- A black body at a temperature of 227⁰C radiates heat at a rate of 20 cal m⁻²s⁻¹.
- The two ends of a metal rod are maintained at temperatures 100°C and 110°C.
- A mass of 2.0 kg is put on a flat plan attached to a vertical spring fixed on the ground
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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