Physics To measure the speed of an approaching car a police officer shines Ultra high frequency waves on it Radio waves on it Microwaves on it Light waves on it Ultra high frequency waves on it Radio waves on it Microwaves on it Light waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is malleable It has a very high melting point It is economical It is a good conductor It is malleable It has a very high melting point It is economical It is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has Low refraction in the medium High frequency High intensity Long wavelength Low refraction in the medium High frequency High intensity Long wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics A simple microscope consists of : A long focus concave lens A short focus convex lens A long focus convex lens A short focus concave lens A long focus concave lens A short focus convex lens A long focus convex lens A short focus concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics Atmospheric pressure exerted on earth is due to Revolution of earth Gravitational pull Uneven heating of earth Rotation of earth Revolution of earth Gravitational pull Uneven heating of earth Rotation of earth ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of momentum Conservation of mass Conservation of energy Conservation of angular momentum Conservation of momentum Conservation of mass Conservation of energy Conservation of angular momentum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS