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The half-life of a radioactive substance is 30 min. The time (in minutes) taken between 40% decay and 85% decay of the same radioactive substance is
Options
(a) 15
(b) 30
(c) 45
(d) 60
Correct Answer:
60
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
- A particle is moving in a circle with uniform speed v. In moving from a point to another
- The displacement of a particle along the x-axis is given by x = a sin² ?t
- The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
- The charges Q, +q, and +q are placed at the vartices of an equilateral
- Weber ampere per metre is equal to
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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