Physical Quantities

What is tensor quantity?

Give an exact definition of science.

What is a fundamental quantity?

What is steradian?

What are the supplementary units in S.I..

What are derived quantities ?

What are physical quantities ?

Which of the following is not a derived physical quantity?

Which of the following is different from others?

A laser signal sent towards the moon returns after $T$ seconds. If $c$ is the speed of light, then the distance of the moon from the observer is

What is the relative magnetic Permeability of aluminium? ${\mu }_A= 1.256\times {10}^{-6} \mathrm{H}/\mathrm{m}$ , ${\mu }_0= 1.257{ \times 10}^{-6} \mathrm{H}/\mathrm{m}.$

What is relative electric permittivity in glass, if permittivity of glass is ${\epsilon }_g=3.7\times {10}^{-12}?$

permittivity of vacuum ${\epsilon }_0= 8.85\times {10}^{-12}$.

Find the relative quantity of the substance x.

Density of x = $300 kg/m^3$ And reference density = $200 kg/m^3$.

Which of the following pairs of physical quantities have the same dimension?

Why length, mass and time are chosen as base quantities in mechanics?

Select the derived unit from the options.

Select the fundamental unit from the options.

Select the derived quantity from the options.

Select the fundamental quantity from the options.

According to metric system, how many fundamental units are there?