Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Diffusion Sublimation Evaporation Vaporisation Diffusion Sublimation Evaporation Vaporisation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of colors Principle of thermal equilibrium Principle of calorimetry Principle of vaporization Principle of colors Principle of thermal equilibrium Principle of calorimetry Principle of vaporization ANSWER DOWNLOAD EXAMIANS APP
Physics A simple microscope consists of : A short focus convex lens A long focus concave lens A long focus convex lens A short focus concave lens A short focus convex lens A long focus concave lens A long focus convex lens A short focus concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics What will happen if an object is dropped from a height and there is no air resistance? Its acceleration will increase Its speed will increase It will fall with a constant speed and acceleration Both speed and acceleration will increase Its acceleration will increase Its speed will increase It will fall with a constant speed and acceleration Both speed and acceleration will increase ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Is infinity Depends on the total mass of all the fragments Depends on the speeds of various fragments Is zero Is infinity Depends on the total mass of all the fragments Depends on the speeds of various fragments Is zero ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Increases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP