| ⇦ | 
| ⇨ |
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: - Two nuclei are said to be mirror nuclei of
- Weight of a body of mass m decreases by 1% when it is raised to height h
- A 1kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed
- A cockroach is moving with a velocity v in anticlockwise direction on the rim
- A,B and C are voltmeters of resistance R, 1.5 R and 3R respectively, as shown
Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two nuclei are said to be mirror nuclei of
- Weight of a body of mass m decreases by 1% when it is raised to height h
- A 1kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed
- A cockroach is moving with a velocity v in anticlockwise direction on the rim
- A,B and C are voltmeters of resistance R, 1.5 R and 3R respectively, as shown
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