State list means the important subjects on which the state government can pass the law. The important subjects include police, trade, commerce,... View Article
The following are the uses of convex mirrors: It is used in vehicles as rear-view mirrors. It is used for security purposes, such as in ATMs.... View Article
Permittivity is the measurement of opposition offered against the formation of an electric field. The permittivity of free space is given as:... View Article
Huygens principle states that every point on a wavefront is in itself the source of spherical wavelets, which spread out in the forward direction... View Article
