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
Physics The freezing point of fresh water is ________ . 4°C 5°C 0°C 3°C 4°C 5°C 0°C 3°C ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Contracts Expands It expands or contracts according to its diameter It expands or contracts according to its coefficient of expansion Contracts Expands It expands or contracts according to its diameter It expands or contracts according to its coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of a musical note depends on Harmonics present Velocity of sound in the medium Fundamental frequency Amplitude of the wave Harmonics present Velocity of sound in the medium Fundamental frequency Amplitude of the wave ANSWER DOWNLOAD EXAMIANS APP
Physics Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water Decreases slightly Decreases rapidly Increases to a great extent Increases slightly Decreases slightly Decreases rapidly Increases to a great extent Increases slightly ANSWER DOWNLOAD EXAMIANS APP
Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Phosphorus Germanium Antimony Boron Phosphorus Germanium Antimony Boron ANSWER DOWNLOAD EXAMIANS APP
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