⇦ | ⇨ |
A radiactive substance emits 100 beta particles in the first 2s and 50 beta particles in the next 2s. The mean life of the sample is
Options
(a) 4 s
(b) 2 s
(c) 2/0.693 s
(d) 2×0.693 s
Correct Answer:
2/0.693 s
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The dimensional formula for Young’s modulus is
- B is doped in Si or Ge, then we will get
- A source of unknown frequency gives 4 beats/s, when sounded with a source harmonic
- The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
- A wire of one metre length carries a constant current. The wire is bent to form
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The dimensional formula for Young’s modulus is
- B is doped in Si or Ge, then we will get
- A source of unknown frequency gives 4 beats/s, when sounded with a source harmonic
- The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
- A wire of one metre length carries a constant current. The wire is bent to form
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply