Physics During hot weather, the fan produces a feeling of comfort. This is because Our perspiration eva-porates rapidly Fan cools the air Fan supplies cool air Conductivity of air increases Our perspiration eva-porates rapidly Fan cools the air Fan supplies cool air Conductivity of air increases ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Is independent of its velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Decreases with increase in velocity. Is independent of its velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Decreases with increase in velocity. ANSWER DOWNLOAD EXAMIANS APP
Physics Surface tension in a liquid is due to : Electrical force between molecules. Adhesive force betweenmolecules Gravitational force between molecules Cohesive force between molecules Electrical force between molecules. Adhesive force betweenmolecules Gravitational force between molecules Cohesive force between molecules ANSWER DOWNLOAD EXAMIANS APP
Physics A device which is used to limit the current in an electrical circuit is called a Conductor Grid Hub Fuse Conductor Grid Hub Fuse ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Switch Rectifier Amplifier Regulator Switch Rectifier Amplifier Regulator ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic hydrogen has a life period of A fraction of a second One day One hour One minute A fraction of a second One day One hour One minute ANSWER DOWNLOAD EXAMIANS APP