Physics Conservation of energy refers to the fact that 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 No chemical reaction is 100 percent efficient If you conserve energy you will not be as tired ANSWER DOWNLOAD EXAMIANS APP
Physics Kinetic energy depends on Both mass and velocity of the moving body The mass of the moving body The velocity or speed of the moving body. The pressure of the moving body Both mass and velocity of the moving body The mass of the moving body The velocity or speed of the moving body. The pressure of the moving body ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Decreases Depends upon the metal Increases Unchanged Decreases Depends upon the metal Increases Unchanged ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these travels in glass with minimum velocity ? Yellow light Red light Violet light Green light Yellow light Red light Violet light Green light ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will Remain the same Fall Rise First rise and then fall Remain the same Fall Rise First rise and then fall ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Heating a magnet Hammering a magnet Passing alternating current through it Passing direct current through it Heating a magnet Hammering a magnet Passing alternating current through it Passing direct current through it ANSWER DOWNLOAD EXAMIANS APP
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