Physics What is refractive index ? It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. 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. None of above It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. 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. None of above ANSWER DOWNLOAD EXAMIANS APP
Physics If the temperature of a place increases suddenly, the relative humidity Fluctuates Increases Decreases Remains constant Fluctuates Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Earliest thermometer was developed by Celsius Galileo Fahrenheit Kelvin Celsius Galileo Fahrenheit Kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is Zero Less than one One More than one Zero Less than one One More than one ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a result of Surface tension ? Radiation Gravitational pull Viscosity Capillary action Radiation Gravitational pull Viscosity Capillary action ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops acquire spherical shape due to Elasticity Friction Surface tension Viscosity Elasticity Friction Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP