Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Phosphorus Germanium Boron Antimony Phosphorus Germanium Boron Antimony ANSWER DOWNLOAD EXAMIANS APP
Physics Instruments for measuring Solar Radiation? Pyranometer Ammeter Anemometer Dynamometer Pyranometer Ammeter Anemometer Dynamometer ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The double layered wind shield The greenhouse effect The good conducting power of the metal body The heat emitted by the engine The double layered wind shield The greenhouse effect The good conducting power of the metal body The heat emitted by the engine ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going down with an acceleration The lift is going up with an acceleration The lift is going down with uniform speed The lift is going up with uniform speed The lift is going down with an acceleration The lift is going up with an acceleration The lift is going down with uniform speed The lift is going up with uniform speed ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Radio waves on it Microwaves on it Light waves on it Ultra high frequency waves on it Radio waves on it Microwaves on it Light waves on it Ultra high frequency waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because It is a poor conductor of heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth It reflects heat It is a poor conductor of heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth It reflects heat ANSWER DOWNLOAD EXAMIANS APP