Physics Conversion of sound energy into electrical energy is done by Solar cell Gramophone Microphone Loudspeaker Solar cell Gramophone Microphone Loudspeaker ANSWER DOWNLOAD EXAMIANS APP
Physics Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be At the same level in both At a higher level in water Floating in alcohol and sinking in water At a higher level in alcohol At the same level in both At a higher level in water Floating in alcohol and sinking in water At a higher level in alcohol ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? All are operating at nearly the same propagation speed Optical fiber Radio wave Microwave All are operating at nearly the same propagation speed Optical fiber Radio wave Microwave ANSWER DOWNLOAD EXAMIANS APP
Physics The energy emitted by the Sun is due to All of these Nuclear fission Nuclear fusion Chemical reaction All of these Nuclear fission Nuclear fusion Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator, the cooling system should always be At the top At the middle At the bottom Can be anywhere At the top At the middle At the bottom Can be anywhere 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 Bend towards right None of these Remain straight Bend towards left Bend towards right None of these ANSWER DOWNLOAD EXAMIANS APP
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