KEAM 2021 Physics and Chemistry Solved Paper

Statement given in option (e) is true but rest are false. The reciprocal of the bulk modulus (B) of a body is called the compressibility (C) of that material, i.e.
C=‌

1

B

However, Young's modulus (Y) of a wire is independent of its length.
Unit of Y is Nm−2. Dimensional formula of stress is same as that of pressure.
Strain is a unitless and it is dimensionless physical quantity.