what do we mean by electron volt?
Definition:-
It is defined as the amount of energy acquired by an electron when it is accelerated through a potential difference of 1volt.
Mathematically,
The value of 1ev can be derived by the following method
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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