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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
- The parallel beams of monochromatic light of wavelength 4.5 x10⁻⁷ m passes through
- The excitation potential of hydrogen atom in the first excited state is
- A body oscillates with amplitude of 10 cm in a horizontal platform.
- A wire having resistance 12Ω is bent in the form of an equilateral triangle.
- A car of mass m starts from rest and accelerates so that the instantaneous
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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