Physics A small gap is left at the joints of rails in a railway track to Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Control the speed of train Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Increased by 2% Increased by 4% Decreased by 2% Decreased by 4% Increased by 2% Increased by 4% Decreased by 2% Decreased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics Which color deviates least when passing through a Prism Red Green Blue Yellow Red Green Blue Yellow ANSWER DOWNLOAD EXAMIANS APP
Physics The refractive index of a transparent medium is maximum for Yellow light Green light Red light Violet light Yellow light Green light Red light Violet light ANSWER DOWNLOAD EXAMIANS APP
Physics Solids have definite shapes.This is because The forces of cohesion are very large The forces of cohesion of the molecules within are very much less in them The forces of adhesion are less The forces of adhesion are large The forces of cohesion are very large The forces of cohesion of the molecules within are very much less in them The forces of adhesion are less The forces of adhesion are large ANSWER DOWNLOAD EXAMIANS APP
Physics Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be At the same level in both At a higher level in water Floating in alcohol and sinking in water At a higher level in alcohol At the same level in both At a higher level in water Floating in alcohol and sinking in water At a higher level in alcohol ANSWER DOWNLOAD EXAMIANS APP
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