1. Tardigrade
  2. Question
  3. Physics
  4. Which of the following statements is/are wrong? I. Hollow shaft is much stronger than a solid rod of same length and same mass. II. Reciprocal of bulk modulus of elasticity is called compressibility. III. It is difficult to twist a long rod as compared to small rod. IV. Poisson's ratio is the ratio of longitudinal strain to lateral strain.

Q. Which of the following statements is/are wrong?
I. Hollow shaft is much stronger than a solid rod of same length and same mass.
II. Reciprocal of bulk modulus of elasticity is called compressibility.
III. It is difficult to twist a long rod as compared to small rod.
IV. Poisson's ratio is the ratio of longitudinal strain to lateral strain.

 407  170 Mechanical Properties of Solids Report Error

Solution:

Correct answer is (c) III only