Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec 21 km/sec 11.2 km/sec 18 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. Diffraction Refraction Total internal reflection Reflection Diffraction Refraction Total internal reflection Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Sound cannot pass through Vacuum Air Steel Water Vacuum Air Steel Water ANSWER DOWNLOAD EXAMIANS APP
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) 400 J 200 J 0 J 100 J 400 J 200 J 0 J 100 J ANSWER DOWNLOAD EXAMIANS APP
Physics Pitot tube is used to measure Dynamic pressure Stagnation pressure Static pressure Velocity at stagnation point Dynamic pressure Stagnation pressure Static pressure Velocity at stagnation point ANSWER DOWNLOAD EXAMIANS APP
Physics Fog is an example of Solid dispersed in liquid Gas dispersed in gas Liquid dispersed in gas Solid dispersed in gas Solid dispersed in liquid Gas dispersed in gas Liquid dispersed in gas Solid dispersed in gas ANSWER DOWNLOAD EXAMIANS APP