What is Del operater ?
Answer:-
When a given field is expressed more than one variable say three variables x,y&z (In terms of Cartesian coordinates) then the operater two be used for obtaining rate of change is called del operater.
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
Comments
Post a Comment