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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 bullet of mass m moving with velocity v strikes a block of mass M at rests
- A bar magnet with magnetic moment 2.5×10³ JT⁻¹ is rotating in horizontal plane
- A solid sphere is rotating in free space.If the radius of the sphere is increased
- A nucleus disintegrates into two nuclear parts which have their velocities in the ratio
- The number of photons of wavelength of 540 nm emitted per second by an electric bulb
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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