Which of the following is an example of $water$ in $oil$ type emulsion?

Select the incorrect statement:

Tyndall phenomenon is exhibited by

Assertion $(A)$: The aggregate of carboxylate ions of fatty acids form a spherical shape. Reason $(R)$: Soap helps in emulsification and washing away of oils.

Peptization is defined as:

Oils and fats are obtained by saponification of potassium stearate. Its formula is $CH_3(CH_2)_{16}COO^-K^+$. The hydrophobic end of the molecule is $CH_3(CH_2)_{16}$ and the hydrophilic end is $COO^-K^+$. Potassium stearate is an example of: