Physics A copper disc has a hole. If the disc is heated, the size of the hole No change Decreases First increases and than decreases Increases No change Decreases First increases and than decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics The boiling point of water decreases at higher altitudes is due to Low atmospheric pressure Low temperature High temprature High atmospheric pressure Low atmospheric pressure Low temperature High temprature High atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of transmission depends upon Nature of medium only Neither A nor B Nature of signal only Both (A) and (B) Nature of medium only Neither A nor B Nature of signal only Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Convex lens Cylindrical lens Concave lens Plano-concave lens Convex lens Cylindrical lens Concave lens Plano-concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can neither be created or destroyed Energy can either be created nor destroyed Energy can either be created or destroyed Energy can neither be created nor destroyed Energy can neither be created or destroyed Energy can either be created nor destroyed Energy can either be created or destroyed Energy can neither be created nor destroyed ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to enable it to withstand higher voltages increase its life increase its electrical resistivity increase its electrical conductivity enable it to withstand higher voltages increase its life increase its electrical resistivity increase its electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
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