Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Semi-conductor Super-conductor Metallic-conductor Insulator Semi-conductor Super-conductor Metallic-conductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal density Equal weight Equal volume Equal mass Equal density Equal weight Equal volume Equal mass ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Ozonosphere Ionosphere Troposphere Stratosphere Ozonosphere Ionosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The heat emitted by the engine The good conducting power of the metal body The greenhouse effect The double layered wind shield The heat emitted by the engine The good conducting power of the metal body The greenhouse effect The double layered wind shield ANSWER DOWNLOAD EXAMIANS APP
Physics Which conservation principle is applicable in the case of the motion of a rocket? Conservation of energy Conservation of mass Conservation of momentum Conservation of charge Conservation of energy Conservation of mass Conservation of momentum Conservation of charge ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its diameter Contracts Expands It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Contracts Expands It expands or contracts according to its coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
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