Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 100 J 0 J 200 J 400 J 100 J 0 J 200 J 400 J ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To make it rust-proof To make it more durable To make it smooth and frictionless To reduce heat loss by radiation To make it rust-proof To make it more durable To make it smooth and frictionless To reduce heat loss by radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The rice is cooked more quickly in a pressure cooker because Less quantity of water is used. None of these It is covered. Water boils at a higher temperature under pressure. Less quantity of water is used. None of these It is covered. Water boils at a higher temperature under pressure. ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels at the fastest speed in air vacuum water steel air vacuum water steel ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to refraction Due to total internal reflection Due to reflection Due to diffraction Due to refraction Due to total internal reflection Due to reflection Due to diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are Transverse Both longitudinal and transverse Longitudinal Waves are not produced Transverse Both longitudinal and transverse Longitudinal Waves are not produced ANSWER DOWNLOAD EXAMIANS APP