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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 half life of radioactive isotope ‘X’ is 50 years. It decays to
- A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand
- Length of second pendulum is
- when a magnetic field is applied on a stationary electron, then it
- A thin film of soap solution (n=1.4) lies on the top of a glass plate (n=1.5).
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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