Physics Superconductors are those elements Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose conductivity is intermediate between metals and insulators ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Cosmic rays Infra red Red light Ultra violet Cosmic rays Infra red Red light Ultra violet ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The good conducting power of the metal body The double layered wind shield The heat emitted by the engine The greenhouse effect The good conducting power of the metal body The double layered wind shield The heat emitted by the engine The greenhouse effect ANSWER DOWNLOAD EXAMIANS APP
Physics Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open at sea level at a place in a valley below sea level at the top of Mt. Everest in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level at sea level at a place in a valley below sea level at the top of Mt. Everest in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Interference Diffraction Reflection Polarisation Interference Diffraction Reflection Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics A ball rolling along the ground gradually slows down and finally comes to rest is due to ________ Muscular force Electrostatic force Friction Magnetic force Muscular force Electrostatic force Friction Magnetic force ANSWER DOWNLOAD EXAMIANS APP