Physics The mercury and sodium street lamps light up because of : Electron absorption Atomic emission Atomic absorption Electron emission Electron absorption Atomic emission Atomic absorption Electron emission ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical burns occur principally because of The high energy of electrons All of these The heat generated by the flow of electrical current through the body Radiation pulses of the electricity The high energy of electrons All of these The heat generated by the flow of electrical current through the body Radiation pulses of the electricity ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot See distant objects Distinguish between certain colours Have persistence of vision See black colour See distant objects Distinguish between certain colours Have persistence of vision See black colour ANSWER DOWNLOAD EXAMIANS APP
Physics The width of depletion layer of a P-N junction Is increased under reverse bias Is independent of applied voltage Increases with heavy doping Decreases with light doping Is increased under reverse bias Is independent of applied voltage Increases with heavy doping Decreases with light doping ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to air Water to glass Glass to water Glass to air Water to air Water to glass Glass to water Glass to air ANSWER DOWNLOAD EXAMIANS APP
Physics On the Kelvin scale, the melting point of ice is 273K 373K 100K 0 K 273K 373K 100K 0 K ANSWER DOWNLOAD EXAMIANS APP