| ⇦ | 
| ⇨ |
Which of the following rods of same material undergoes maximum elongation when subjected to a given force?
Options
(a) l=1 m, d=2 mm
(b) l=2 m, d=1 mm
(c) l=1 m, d=1 mm
(d) l=2 m, d=2 mm
Correct Answer:
l=2 m, d=1 mm
Explanation:
Δl(elongation) = Fl/YA
F is same. Young modulus is same.
.·. Δl α 1/r² .
Related Questions: - If a magnetic substance is brought near the north or the south pole of a bar magnet
- Which of the following is or the property of a cathode ray
- A spring when stretched by 2mm containing energy 4 J. If it is stretched
- A body of mass 0.25 kg is projected with muzzle velocity 100 m/s from a tank
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a magnetic substance is brought near the north or the south pole of a bar magnet
- Which of the following is or the property of a cathode ray
- A spring when stretched by 2mm containing energy 4 J. If it is stretched
- A body of mass 0.25 kg is projected with muzzle velocity 100 m/s from a tank
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
Topics: Properties of Bulk Matter (130)
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