Match List - I with List - II.

Choose the correct answer from the options given below:

A bar magnet has total length $2 l=20$ units and the field point P is at a distance $\mathrm{d}=10$ units from the centre of the magnet. If the relative uncertainty of length measurement is $1 \%$, then uncertainty of the magnetic field at point P is :

The kinetic energy of translation of the molecules in 50 g of $ \text{CO}_2 $ gas at 17°C is :