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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 moving along X-axis has acceleration f,at time t given by f=fₒ(1- t/T)
- The radius of curvature of the convex face of a plano-convex lens is 12 cm
- A particle moves along the x-axis from x=0 to x=5 m under the influence of a force
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- A 1 kg particle strikes a wall with velocity 1 m/s at an angle 30° and reflects
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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