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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 radius of a ball is(5.2±0.2)cm.The percentage error in the volume of the ball
- Infinite number of masses, each 1 kg, are placed along the x-axis
- A ball is dropped from a height of 20 cm. Ball rebounds to a height of 10cm
- A ball is dropped into a well in which the water level is at a depth h below the top
- Two waves are represented by the equations y₁ = a sin (?t + kx + 0.57) m
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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