AIPMT Mains Physics Units and Measurement Class 11 Questions

The dimensions of (μ₀ε₀)⁻¹/² are :

The density of a material in CGS system of units is 4 g/cm³. In a system of units in which unit of length is 10 cm and unit of mass is 100 g, the value of density of material will be

If the dimensions of a physical quantity are given by MᵃLᵇTᶜ, then the physical quantity will be:

Which two of the following five physical parameters have the same dimensions?

(a) energy density

(b) refractive index

(c) dielectric constant

(d) Young's modulus

(e) magnetic field

If the error in the measurement of radius of a sphere is 2%, then the error in the determination of volume of the sphere will be