Electronvolt is equal to . It is a common unit of energy within physics, widely used in solid state, atomic, nuclear, and particle physics. It is commonly used with the metric prefixes milli-, kilo-, mega-, giga-, tera-, peta- or exa- (meV, keV, MeV, GeV, TeV, PeV and EeV respectively). In some older documents, and in the name Bevatron, the symbol BeV is used, which stands for billion (10) electronvolts; it is equivalent to the GeV. An electronvolt is the amount of energy gained (or lost) by the charge of a single electron moving across an electric potential difference of one volt.
Roop Tera Mastana Roop Tera Mastana Roop Tera Mastana Roop Tera Mastana [}English language|English]]: Your beauty is intoxicating; Hindi: रूप tera मस्ताना) is a 1972 Bollywood suspense thriller film, produced by Baldev Pushkarna and M.M. Malhotra under the Suchitra Kala Mandir banner and directed by Khalid Akhtar. It stars Jeetendra, Mumtaz, Pran in lead roles and music composed by Laxmikant Pyarelal. Ajit, the Personal assistant to Princess Usha, does away with her and brings along a look-alike, Kiran, to pose as her for a few days. Kiran, although poor, refuses to do so, and Ajit threatens her and her family, and she reluctantly