potential energy of an electric dipole.
Answer:-
Potential energy of an electric dipole, in an electrostatic field, is defined as the work done in rotating the di-pole from zero energy position to the desired position in the field.
angle of contact.
It is defined as the angle between the tangent to the liquid surface at the point of contact and solid surface inside the liquid is called as angle of contact The value of angle of contact depends upon (i) Nature of solid and liquid in contact (ii) Cleanliness of the surface in contact (iii) Medium above the free surface of liquid
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