Physics Coolis tube is used to produce Micro waves Radio waves X-rays Gama rays Micro waves Radio waves X-rays Gama rays ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of motion Centre of gravity Centre of mass Dead centre Centre of motion Centre of gravity Centre of mass Dead centre ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because Special mechanisms are present in parachute Stone is heavier than parachute None of these A parachute has a larger surface area and air resistance is more Special mechanisms are present in parachute Stone is heavier than parachute None of these A parachute has a larger surface area and air resistance is more ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Air always falls down Cool air is replaced by warm air Cool air falls down Warm air falls down Air always falls down Cool air is replaced by warm air Cool air falls down Warm air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Convection Radiation Both conduction and convection Conduction Convection Radiation Both conduction and convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Does not change Varies with the increase of depth of the immersion of the iron piece Will decrease Will increase Does not change Varies with the increase of depth of the immersion of the iron piece Will decrease Will increase ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS