Physics Stars in the sky appear to twinkle due to Multiple diminishing brightness A surface tension phenomenon A series of reflections A series of refractions Multiple diminishing brightness A surface tension phenomenon A series of reflections A series of refractions ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Diffusion Surface tension Capillarity Viscosity Diffusion Surface tension Capillarity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Increases Decreases Becomes infinite Does not change Increases Decreases Becomes infinite Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid Joule/ mm Electron volt /cm2 Newton /m2 None of these Joule/ mm Electron volt /cm2 Newton /m2 None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes R/2 3R/4 2R 5R/4 R/2 3R/4 2R 5R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics A falling drop of rain water acquires the spherical shape due to Atmospheric pressure Viscosity Gravitational force Surface Tension Atmospheric pressure Viscosity Gravitational force Surface Tension ANSWER DOWNLOAD EXAMIANS APP