| ⇦ | 
| ⇨ |
If 20% of a radiactive element decays in 10 days, then amount of original material left after 30 days is (approx)
Options
(a) 78%
(b) 62%
(c) 51%
(d) 48%
Correct Answer:
51%
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - In the half wave rectifier circuit operating from 50 Hz mains frequency,
- 300j work is done in sliding a 2kg block up an inclined plane of height 10m
- Which one of the following electrical meter has the smallest resistance?
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- A 70 kg man stands in contact against the inner wall of a hollow cylindrical drum
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the half wave rectifier circuit operating from 50 Hz mains frequency,
- 300j work is done in sliding a 2kg block up an inclined plane of height 10m
- Which one of the following electrical meter has the smallest resistance?
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- A 70 kg man stands in contact against the inner wall of a hollow cylindrical drum
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