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If the half-life of a material is 10 yr, then in what time, it becomes 1/4th part of the initial amount
Options
(a) 15 yr
(b) 20 yr
(c) 25 yr
(d) 30 yr
Correct Answer:
20 yr
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 ratio of magnetic dipole moment of an electron of charge e and mass m
- The electron drift speed is small and the change of the electron is also small
- If M (A; Z), Mₚ and Mₙ denote the masses of the nucleus AZ X, proton
- Maximum velocity of the photoelectron emitted by a metal is 1.8×10⁶ ms⁻¹.
- A parallel beam of light of wavelength λ is incident normally on a narrow slit
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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