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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A 100Ω resistance and a capacitor of 100Ω reactance are connected in series
- A 5 watt source emits monochromatic light of wavelength 5000Å. When placed
- In a double slit experiment, the two slits are 1mm apart and the screen is placed 1 m
- The electric resistance of a certain wire of iron is R. If its length and radius
- An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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