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 agrees. She meets with Usha's fiance, a Prince himself, and falls in love with him, not realizing that her feelings will soon be history when those few days come to an end, and she must then give up her wealthy lifestyle and go back to being poor again. 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