Physics Convex mirrors are used as a rear view mirror in motor cycles because It forms real image It forms erect (upright) image All of these It forms smaller image as compared with object It forms real image It forms erect (upright) image All of these It forms smaller image as compared with object ANSWER DOWNLOAD EXAMIANS APP
Physics Flemings ''Left hand Rule" is associated with the effect of Magnetic field on magnet Magnetic Field on current Electric field on current Electric field on magnet Magnetic field on magnet Magnetic Field on current Electric field on current Electric field on magnet ANSWER DOWNLOAD EXAMIANS APP
Physics An Electric generator is based on which of the following scientific principles? Super Conductivity Newton's Law of Motion Laws of Thermodynamics Faraday's law of Electromagnetic Induction Super Conductivity Newton's Law of Motion Laws of Thermodynamics Faraday's law of Electromagnetic Induction ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 3R/4 2R R/2 5R/4 3R/4 2R R/2 5R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 0.01 1 × 1010 0.001 1 × 10–10 0.01 1 × 1010 0.001 1 × 10–10 ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 18 km/sec 21 km/sec 11.2 km/sec 35 km/sec 18 km/sec 21 km/sec 11.2 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS