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 Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is cheaper than iron Copper can take higher power than iron Copper is lighter than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper can take higher power than iron Copper is lighter than iron Copper is a better conductor of electricity than iron 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 period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 2 T 8 T 1 T 4 T 2 T 8 T 1 T 4 T 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 a place in a valley below sea level in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level at the top of Mt. Everest at sea level at a place in a valley below sea level in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level at the top of Mt. Everest at sea level ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the discovery of ''Expanding Universe"? V Raman S Chandra Shekhar Edwin Hubble Niels Bohr V Raman S Chandra Shekhar Edwin Hubble Niels Bohr ANSWER DOWNLOAD EXAMIANS APP