What is black body radiation ?
Answer:-
A body which emits & absorbs radiations of all frequencies uniformly,
is called a black body & the radiation emitted by such a body is called black body radiation.That body is ideal body.
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