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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
- Three masses are placed on the x-axis : 300 g at origin, 500 g at x = 40 cm
- The magnetic field at a point on the axis of a long solenoid having 5 turns per cm
- A proton carrying 1 MeV kinetic energy is moving in a circular path of radius
- The wavelength of light emitted from second orbit to first orbit in a hydrogen atom is
- If, an electron in hydrogen atom jumps from an orbit of level n=3 to an orbit
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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