Recent questions tagged surface

by anonymous asked May 25, 2020 27 views

Define surface tension. State its S.I. unit.
Answer : Definition:- The force acting per unit length of an imaginary line drawn to surface of liquid.  OR  The surface tension is defined as the property of liquids by virtue of which the surface of a liquid is ... due to the tendency to contract and occupy minimum surface area.  S.I. unit :- N/m...

by anonymous asked Sep 7, 2018 63 views

State the significance of following terms : i) Hydrology ii) Surface run-off iii) Evaporation iv) Precipitation
Answer : (i) Hydrology: It may be defined as the science which deals with the depletion and replenishment of water resources. Hydrology deals with the occurrence and distribution of water over and under earth's ... types:  a) Liquid precipitation (Rainfall)  b) Solid precipitation (Snow, Hail)  ...

by anonymous asked Mar 20, 2018 127 views

Answer : When a conductor carries more current on the surface as compared to core, it is due to skin effect. ...