Physics At low temperature, Lead behaves as a : Insulator Semi conductor Conductor Superconductor Insulator Semi conductor Conductor Superconductor ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train ANSWER DOWNLOAD EXAMIANS APP
Physics A freely suspended magnet remains horizontal at The magnetic south pole The geographic pole The magnet equator The magnetic north pole The magnetic south pole The geographic pole The magnet equator The magnetic north pole ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Light waves on it Radio waves on it Ultra high frequency waves on it Microwaves on it Light waves on it Radio waves on it Ultra high frequency waves on it Microwaves on it ANSWER DOWNLOAD EXAMIANS APP
Physics 0°K is equivalent to 100°C – 273°C 273°C 0°C 100°C – 273°C 273°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 6 Km/Sec. 11 Km/Sec. 15 Km/Sec. 5 Km/Sec. 6 Km/Sec. 11 Km/Sec. 15 Km/Sec. 5 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP