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