Because of the electronegativity, the electrons in the bond will be more attracted to the electronegative atom than to the hydrogen atom. Therefore, hydrogen atom will get a partial positive charge, whereas the more electronegative atom will get a partial negative charge.
Definition of telescope for Students. : a piece of equipment shaped like a long tube that has lenses for viewing objects at a distance and especially for observing objects in outer space.
Definition of OPTICS for Kids. : a science that deals with the nature and properties of light and the changes that it undergoes and produces.. : a science that deals with the genesis and propagation of light, the changes that it undergoes and produces, and other phenomena closely associated with it.