Physics A small drop of oil spreads over water because : Water has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Oil has a higher surface tension Water has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Oil has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 12.2 km/sec 13.2 km/sec 10.2 km/sec 11.2 km/sec 12.2 km/sec 13.2 km/sec 10.2 km/sec 11.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics What is the source of energy for the water cycle? Rain water Clouds Sun Animals Rain water Clouds Sun Animals ANSWER DOWNLOAD EXAMIANS APP
Physics When a detergent is added to pure water, its surface tension Becomes infinite Remains constant Increases Decreases Becomes infinite Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics 'Parsec' is the unit measurement of Astronomical distance Orbital velocity of giant stars Density of stars Brightness of heavenly bodies Astronomical distance Orbital velocity of giant stars Density of stars Brightness of heavenly bodies ANSWER DOWNLOAD EXAMIANS APP
Physics If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is Surface area of the bottom of the vessel Density of the liquid Acceleration due to gravity at the bottom of the vessel Height of the liquid column Surface area of the bottom of the vessel Density of the liquid Acceleration due to gravity at the bottom of the vessel Height of the liquid column ANSWER DOWNLOAD EXAMIANS APP