Physics Which microscope is often used to view metal surfaces? Optical microscopes Scanning tunneling microscopes None of these Electron microscopes Optical microscopes Scanning tunneling microscopes None of these Electron microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical conductivity enable it to withstand higher voltages increase its life increase its electrical resistivity increase its electrical conductivity enable it to withstand higher voltages increase its life increase its electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a body around a circular path is an example of Uniform speed, variable velocity Uniform speed, uniform velocity Uniform velocity, variable acceleration Uniform speed, variable acceleration Uniform speed, variable velocity Uniform speed, uniform velocity Uniform velocity, variable acceleration Uniform speed, variable acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because The body is earthed Its feet are good insulators It does not form a closed path for the flow of current It has high resistance The body is earthed Its feet are good insulators It does not form a closed path for the flow of current It has high resistance ANSWER DOWNLOAD EXAMIANS APP
Physics For every action, there is an equal and opposite reaction, is Newton's Second law First law Fourth law Third law Second law First law Fourth law Third law ANSWER DOWNLOAD EXAMIANS APP
Physics The force between charged particles is called as: Gravitational Force Electromagnetic Force Centrifugal Force Nuclear Force Gravitational Force Electromagnetic Force Centrifugal Force Nuclear Force ANSWER DOWNLOAD EXAMIANS APP