Physics Friction is caused by the ________ on the two surfaces in contact. Irregularities Densities Gaps Smoothness Irregularities Densities Gaps Smoothness ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole No change First increases and than decreases Increases Decreases No change First increases and than decreases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of Viscosity Capillarity Diffusion Surface tension Viscosity Capillarity Diffusion Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Let a thin capillary tube be replaced with another tube of insufficient length then, we find water will not rise depressed will overflow change its meniscus will not rise depressed will overflow change its meniscus ANSWER DOWNLOAD EXAMIANS APP
Physics When a strong beam of light is passed through a colloidal solution, the light will Pass unchanged Be reflected Be scattered Be absorbed Pass unchanged Be reflected Be scattered Be absorbed ANSWER DOWNLOAD EXAMIANS APP
Physics Fat can be seperated from milk in a cream seperator because of : Centripetal Force Cohesive Force Centrifugal Force Gravitational Force Centripetal Force Cohesive Force Centrifugal Force Gravitational Force ANSWER DOWNLOAD EXAMIANS APP