1 Secondary emission: An electron, atom or molecule colliding with the surface of the cathode with enough energy can knock electrons out of the surface. 2  Photoelectric emission: Electrons can also be emitted from the electrodes of certain metals when light of frequency greater than the threshold frequency falls on it.
Best Answer: Do it yourself, often referred to by the acronym DIY, is a term used by various communities that focus on people (called do-it-yourselfers or DIYers) creating or repairing things for themselves without the aid of on-duty, work-stationed paid professionals.
Growth â¢ Innovation â¢ Digital (GID) is the award-winning e-commerce division of Gap Inc. GID operates as a separate business unit creating and managing the websites and fulfillment systems for some of the most powerful retail brands in the world.