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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 uniform electric field and uniform magnetic field are acting along the same
- Small drops of the same size are charges to V volt each. If n such drops coalesce
- The string of a pendulum is horizontal.The mass of bob attached to it is m
- Van der waals,equation of state is(p+a/v²)(V-b)=nRT. The dimensions of a and b
- An electric current passes through a long straight wire
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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