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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: - The half life of radium is about 1600 year. Of 100 gram of radium existing now
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Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The half life of radium is about 1600 year. Of 100 gram of radium existing now
- The potential energy of a simple harmonic oscillator when the particle is half way
- A particle moving in a straight line covers half the distance with speed of 3 m/s
- A current I ampere flows along the inner conductor of a co-axial cable and returns
- Planck’s constant has same dimensions as those of
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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