Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit ultraviolet light visible light X-rays radio waves ultraviolet light visible light X-rays radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will Remain straight Bend towards left None of these Bend towards right Remain straight Bend towards left None of these Bend towards right ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of magnetic permeability is Weber/meter Henry Weber Henry/meter Weber/meter Henry Weber Henry/meter ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that 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 The entropy of the universe is always increasing ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Magnetic energy into electrical energy Mechanical energy into electrical energy Chemical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy Chemical energy into electrical energy Heat energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel in Vacuum Water Hydrogen gas Glass Vacuum Water Hydrogen gas Glass ANSWER DOWNLOAD EXAMIANS APP
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