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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
- If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits
- A small part of the rim of a fly wheel breaks off while it is rotating at a constant
- Two balls are dropped from heights h and 2h respectively. The ratio of times
- When an object is placed 40cm from a diverging lens, its virtual image is formed 20 cm
- A potentiometer wire of length 10 m and resistance 10 Ω per metre is connected in series
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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