Physics Red light has a wavelength of 70 A°. In "nm" it is 70 nm 7 nm 0.07 nm 700 nm 70 nm 7 nm 0.07 nm 700 nm ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel in Water Glass Vacuum Hydrogen gas Water Glass Vacuum Hydrogen gas 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 Floating in alcohol and sinking in water At the same level in both At a higher level in water At a higher level in alcohol Floating in alcohol and sinking in water At the same level in both At a higher level in water At a higher level in alcohol ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for locating submerged objects under sea is. Maser Sonar Radar Laser Maser Sonar Radar Laser ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Air Glycerine Glass Water Air Glycerine Glass Water ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause electrolysis It may spoil the wiring It may cause electrocution It may cause hydrolysis It may cause electrolysis It may spoil the wiring It may cause electrocution It may cause hydrolysis ANSWER DOWNLOAD EXAMIANS APP