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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two radioactive materials X₁ and X₂ have decay constants 5λ and λ respectively
- The momentum of a photon of energy 1 MeV in kg m/s will be
- What is the value of Ā+A in the Boolean algebra?
- Two coherent sources of different intensities send waves which interfere.
- An object of mass 3kg is at rest. Now a force F=6t² i⃗+4t j⃗ is applied on the object
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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