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.
Here are all the possible meanings and translations of the word Tomy. Freebase(0.00 / 0 votes)Rate this definition: Tomy. Tomy Co., Ltd. is a Japanese toy, children's merchandise and entertainment company created from the merger of two companies: Tomy and long-time rival, Takara. Merged on 1 March 2006, the company has its headquarters in Katsushika, Tokyo.