Physics When a steel ball is placed on the surface of mercury, it does not sink because Of the surface tension of mercury Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the surface tension of mercury Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid ANSWER DOWNLOAD EXAMIANS APP
Physics The weakest of all fundamental forces is Electrostatic force Nuclear force Magnetic force Gravitational force Electrostatic force Nuclear force Magnetic force Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following never occurs singly in nature? Momentum Velocity Inertia Force Momentum Velocity Inertia Force ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Interference of light Total internal reflection by layers of air Diffraction of light Reflection by hot ground Interference of light Total internal reflection by layers of air Diffraction of light Reflection by hot ground ANSWER DOWNLOAD EXAMIANS APP
Physics Steam at 100°C causes more severe burns than water at 100°C because Steam has no specific heat capacity Water has no specific heat capacity Water has latent heat of fusion Steam has latent heat of vaporisation Steam has no specific heat capacity Water has no specific heat capacity Water has latent heat of fusion Steam has latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R/4 R/5 4 R/5 5 R 5 R/4 R/5 4 R/5 5 R ANSWER DOWNLOAD EXAMIANS APP