Physics Speed of sound is the greatest in : Glycerine Air Water Glass Glycerine Air Water Glass ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Pipelines contract in their volume Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines expand due to freezing Pipelines contract in their volume Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines expand due to freezing ANSWER DOWNLOAD EXAMIANS APP
Physics Energy in reflected light : Becomes maximum for angle of incidence equal to 45° Decreases with the increase in angle of incidence Does not depends on the angle of incidence Increases with the increase in angle Becomes maximum for angle of incidence equal to 45° Decreases with the increase in angle of incidence Does not depends on the angle of incidence Increases with the increase in angle ANSWER DOWNLOAD EXAMIANS APP
Physics The oldest type of energy known to man is Wind power Tidal energy Geothermal energy Solar power Wind power Tidal energy Geothermal energy Solar power ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Venus Moon Earth Saturn Venus Moon Earth Saturn ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of ships aircraft spacecraft sound ships aircraft spacecraft sound ANSWER DOWNLOAD EXAMIANS APP