Physics The velocity of sound is more in Water Air Steel Wood Water Air Steel Wood ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Control the speed of train Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance Low melting point Low work function High melting point Low resistance Low melting point Low work function High melting point ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: Grey Black White Blue Grey Black White Blue ANSWER DOWNLOAD EXAMIANS APP
Physics When hot-water is sprinkled on a hotter glass tumbler, it breaks because Glass suddenly contracts Water evaporates Glass reacts chemically with water Glass suddenly expands Glass suddenly contracts Water evaporates Glass reacts chemically with water Glass suddenly expands ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because It forms real image It forms erect (upright) image It forms smaller image as compared with object All of these It forms real image It forms erect (upright) image It forms smaller image as compared with object All of these ANSWER DOWNLOAD EXAMIANS APP