Physics In a refrigerator what produces the cooling ? None of these The ice which deposits on the freezer The evaporation of a volatile liquid The sudden expansion of a compressed gas None of these The ice which deposits on the freezer The evaporation of a volatile liquid The sudden expansion of a compressed gas ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that If you conserve energy you will not be as tired The entropy of the universe is always increasing No chemical reaction is 100 percent efficient Energy cannot be created or destroyed but can be converted from one form to another If you conserve energy you will not be as tired The entropy of the universe is always increasing 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
Physics A gap is left between two rails of a railway track to accommodate...... of the metal. Linear expansion Apparent expansion Volume expansion Areal expansion Linear expansion Apparent expansion Volume expansion Areal expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Electricity is transmitted over long distances It is safer It is cheaper There is less wastage of energy It is fast It is safer It is cheaper There is less wastage of energy It is fast ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted. Rough white Shining white Rough black Shining black Rough white Shining white Rough black Shining black ANSWER DOWNLOAD EXAMIANS APP
Physics The boiling point of water decreases at higher altitudes is due to High atmospheric pressure High temprature Low atmospheric pressure Low temperature High atmospheric pressure High temprature Low atmospheric pressure Low temperature ANSWER DOWNLOAD EXAMIANS APP