Physics In a bipolar junction transistor The emitter has the least concentration of impurity The base has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The collector has the least concentration of impurity The emitter has the least concentration of impurity The base has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The collector has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are quasars novas and supernovas binaries asteroids quasars novas and supernovas binaries asteroids ANSWER DOWNLOAD EXAMIANS APP
Physics In uniform circular motion, the linear velocity is perpendicular to Radius Momentum Force Radius vector Radius Momentum Force Radius vector ANSWER DOWNLOAD EXAMIANS APP
Physics What will happen if an object is dropped from a height and there is no air resistance? Its acceleration will increase It will fall with a constant speed and acceleration Its speed will increase Both speed and acceleration will increase Its acceleration will increase It will fall with a constant speed and acceleration Its speed will increase Both speed and acceleration will increase ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 10 MeV 1 MeV 0.1 MeV 100 MeV 10 MeV 1 MeV 0.1 MeV 100 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted. Shining white Shining black Rough black Rough white Shining white Shining black Rough black Rough white ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS