Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 20 J 0.2 J 5 J 500 J 20 J 0.2 J 5 J 500 J ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To make it more durable To reduce heat loss by radiation To make it rust-proof To make it smooth and frictionless To make it more durable To reduce heat loss by radiation To make it rust-proof To make it smooth and frictionless ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is due to Chemical reactions Fusion reactions Fission reactions Combustion reactions Chemical reactions Fusion reactions Fission reactions Combustion reactions ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies To the left side of the body At the centre of the body Behind his feet Ahead of his feet To the left side of the body At the centre of the body Behind his feet Ahead of his feet ANSWER DOWNLOAD EXAMIANS APP
Physics The quantity that is not conserved in an inelastic collision is All of these Total Energy Momentum Kinetic Energy All of these Total Energy Momentum Kinetic Energy ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of sky is due to Scattering of shorter wavelengths of sunlight in the atmosphere Scattering of longer wavelengths of sunlight in the atmosphere Reflection of sunlight Refraction of sunlight Scattering of shorter wavelengths of sunlight in the atmosphere Scattering of longer wavelengths of sunlight in the atmosphere Reflection of sunlight Refraction of sunlight ANSWER DOWNLOAD EXAMIANS APP