| ⇦ | 
| ⇨ |
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: - Cohesive force is experienced between
- A transformer having efficiency of 90% is working on 200 V and 3kW power supply
- If the length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s,
- The horizontal range and the maximum height of a projectile are equal
- The horizontal range and maximum height of a projectile are equal.The angle of projection
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Cohesive force is experienced between
- A transformer having efficiency of 90% is working on 200 V and 3kW power supply
- If the length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s,
- The horizontal range and the maximum height of a projectile are equal
- The horizontal range and maximum height of a projectile are equal.The angle of projection
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