Physics When a detergent is added to pure water, its surface tension Becomes infinite Remains constant Decreases Increases Becomes infinite Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Energy that is produced commercially from coal is called Potential energy Thermal energy Kinetic energy Light energy Potential energy Thermal energy Kinetic energy Light energy ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. None of above ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that The initial momentum of the rubber ball is greater than that of the metal ball Both suffer the same change in momentum The rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum The initial momentum of the rubber ball is greater than that of the metal ball Both suffer the same change in momentum The rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Even after sunset, the air near the Earth's surface continue to receive heat due to Conduction Convection Insolation Terrestrial Radiation Conduction Convection Insolation Terrestrial Radiation ANSWER DOWNLOAD EXAMIANS APP