Physics Which best describes how air moves during convection? Warm air falls down Cool air is replaced by warm air Cool air falls down Air always falls down Warm air falls down Cool air is replaced by warm air Cool air falls down Air always falls down ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Viscous force exerted by air Upward thrust due to air Air current Surface tension Viscous force exerted by air Upward thrust due to air Air current Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Contraction of water pipes High atmospheric pressure Combined effect of all the above three Water expands on freezing Contraction of water pipes High atmospheric pressure Combined effect of all the above three Water expands on freezing ANSWER DOWNLOAD EXAMIANS APP
Physics The recoiling of gun is an example of which of the following? Conversion of Kinetic Energy to Potential Energy Law of Conservation of Angular Momentum Law of Conservation of Energy Law of Conservation of Linear Momentum Conversion of Kinetic Energy to Potential Energy Law of Conservation of Angular Momentum Law of Conservation of Energy Law of Conservation of Linear Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Water from soil enters into the root hairs owing to : Atmospheric pressure Root pressure Osmotic pressure Capillary pressure Atmospheric pressure Root pressure Osmotic pressure Capillary pressure ANSWER DOWNLOAD EXAMIANS APP
Physics When the main switch of the house is put off it disconnects the Live wire only Live wire and the earth wire Earth wire and the neutral wire Live wire and the neutral wire Live wire only Live wire and the earth wire Earth wire and the neutral wire Live wire and the neutral wire ANSWER DOWNLOAD EXAMIANS APP