The dimensions of 1/2 ε₀E² (ε₀ is permittivity of free space, E is electric field) are

The dimensional formula of a physical quantity whose unit is pascal per second, is

If force = , then the dimensional formulae of α and β are respectively

In a new system of units, unit of mass is 5 kg, unit of length is 2 m and unit of time is 10 sec. Va

If y = sin x & x = 3t then dy/dt will be;

The graph for the equation y = 4 is;