| ⇦ | 
| ⇨ |
If the radioactive dacay constant of radium is 1.07 x 10⁻⁴ year⁻¹, then its half-life is approximately
Options
(a) 8900 years
(b) 7000 years
(c) 6477 years
(d) 5000 years
Correct Answer:
6477 years
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100V
- A closely wound solenoid of 2000 turns and area of cross-section 1.5 x 10⁻⁴ m² carries
- A magnifying glass of focal length 5 cm is used to view an object by a person
- Two resistors of 6Ω and 9Ω are connected in series to a 120 V source.
- 180⁰ phase difference is obtained when light ray is reflected from
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100V
- A closely wound solenoid of 2000 turns and area of cross-section 1.5 x 10⁻⁴ m² carries
- A magnifying glass of focal length 5 cm is used to view an object by a person
- Two resistors of 6Ω and 9Ω are connected in series to a 120 V source.
- 180⁰ phase difference is obtained when light ray is reflected from
Topics: Dual Nature of Matter and Radiation (150)
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