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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A calorimeter contains 0.2 kg of water at 30° C. 0.1kg of water at
- If a given volume of water in a 220V heater is boiled in 5 min, then same volume
- A force of 10 newton acts on a body of mass 20 kg for 10 seconds. Change in its momentum
- The power obtained in a reactor using U²³⁵ disintegration is 1000 kW
- If an electron and a positron annihilate, the energy released is
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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