Which physical quantity corresponds to the rate of change of momentum?

Which physical quantity has the unit eV?

The unit of which physical quantity corresponds to J//C ? Is it scalar or vector?

Which physical quantity has the unit 'mol'?

Spherical rain drop evaporates at a rate proportional to its surface area. The differential equation corresponding to the rate of change of the radius of the rain drop if the constant of proportionality is K >0 is

Which physical quantity has the unit watt hour?

Which physical quantity is expressed by the ratio of the amplitudes of electric and magnetic fields for an electro magnetic wave.

Which physical quantity has the unit v m^(-1) ?

What physical quantity is represented by the product of moment of inertia and the angular velocity.

The quantity hv//k_(B) corresponds to