Physics Which best describes how air moves during convection? Air always falls down Warm air falls down Cool air falls down Cool air is replaced by warm air Air always falls down Warm air falls down Cool air falls down Cool air is replaced by warm air ANSWER DOWNLOAD EXAMIANS APP
Physics To open a door easily, the handle should be fixed Near the hinges None of these In the middle Away from mid-point opposite to hinges Near the hinges None of these In the middle Away from mid-point opposite to hinges ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Vacuum Air Glass Water Vacuum Air Glass Water ANSWER DOWNLOAD EXAMIANS APP
Physics Light year is a unit of Intensity of light Light Time Distance Intensity of light Light Time Distance ANSWER DOWNLOAD EXAMIANS APP
Physics Which sources produce alternating current (AC)? Solar power plants All of these Hydro-electric generators Batteries Solar power plants All of these Hydro-electric generators Batteries ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can neither be created or destroyed Energy can either be created or destroyed Energy can neither be created nor destroyed Energy can either be created nor destroyed Energy can neither be created or destroyed Energy can either be created or destroyed Energy can neither be created nor destroyed Energy can either be created nor destroyed ANSWER DOWNLOAD EXAMIANS APP
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