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

Match the following and choose appropriate option

A quantity z is given as . If percentage error in a, b, c and d are 2%, 3%, 2% and 1% respectively,