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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
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The work function of sodium is 2.3 eV. The threshold wavelength of sodium will be
- The electric potential at a point (x,y,z) is given by V = – x²y – xz³ + 4.
- A heavy uniform chain lies on a horizontal top table.If the coefficient of friction
- If emf induced in a coil is 2 V by changing the current in it from 8 A to 6 A
- In old age arteries carrying blood in the human body become narrow resulting
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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