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.
Tera Pass Tera Pass The Tera Pass is the primary route connecting Logar and Paktia provinces in Afghanistan. The pass was unimproved until 2006, when construction of a paved surface was completed as part of the ongoing international reconstruction effort. The pass has been in use since Antiquity, and serves as one of the primary passes connecting Kabul to India. Unlike the Khost-Gardez Pass to the south, the Tera Pass is only sporadically inhabited. Alternate passes exist through Logar's Kharwar district to the west. The pass crosses a rugged mountain ridge with nearby peaks topping out at 11,000'. The pass itself rises