Physics Which of the following principle is used to produce ''low-temperatures' ? Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation ANSWER DOWNLOAD EXAMIANS APP
Physics The first law of thermodynamics is simply the case of Charle's law The law of heat exchange The law of conservation of energy Newton's law of cooling Charle's law The law of heat exchange The law of conservation of energy Newton's law of cooling ANSWER DOWNLOAD EXAMIANS APP
Physics The commonly used coolant in refrigerators is Oxygen Freon Ammonia Nitrogen Oxygen Freon Ammonia Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics Energy in reflected light : Does not depends on the angle of incidence Increases with the increase in angle Becomes maximum for angle of incidence equal to 45° Decreases with the increase in angle of incidence Does not depends on the angle of incidence Increases with the increase in angle Becomes maximum for angle of incidence equal to 45° Decreases with the increase in angle of incidence ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that No chemical reaction is 100 percent efficient If you conserve energy you will not be as tired The entropy of the universe is always increasing Energy cannot be created or destroyed but can be converted from one form to another No chemical reaction is 100 percent efficient If you conserve energy you will not be as tired The entropy of the universe is always increasing Energy cannot be created or destroyed but can be converted from one form to another ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS