Physics Which best describes how air moves during convection? 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 Air always falls down Warm air falls down Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics The force between charged particles is called as: Gravitational Force Electromagnetic Force Nuclear Force Centrifugal Force Gravitational Force Electromagnetic Force Nuclear Force Centrifugal Force ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because It forms real image It forms erect (upright) image It forms smaller image as compared with object All of these It forms real image It forms erect (upright) image It forms smaller image as compared with object All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Newton Galileo Einstein Romer Newton Galileo Einstein Romer ANSWER DOWNLOAD EXAMIANS APP
Physics In a filament type light bulb most of the electric power consumed appears as Fluorescent light Infra-red rays Visible light Ultra-violet rays Fluorescent light Infra-red rays Visible light Ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Both the heating effect of current and hysteresis loss The heating effect of current alone Intense sunlight at noon Hysteresis loss alone Both the heating effect of current and hysteresis loss The heating effect of current alone Intense sunlight at noon Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
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