Physics Who enunciated the laws of planetary motion? Johannes Kepler Isaac Newton Nicolaus Copernicus Galileo Johannes Kepler Isaac Newton Nicolaus Copernicus Galileo ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To increase the current flow Ro decrease the voltage momentarily To decrease the resistance To decrease the current flow To increase the current flow Ro decrease the voltage momentarily To decrease the resistance To decrease the current flow ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It starts emitting dangerous radioactive radiations It is ready to produce controlled energy It is shut down to avoid explosion It stops due to malfunctioning It starts emitting dangerous radioactive radiations It is ready to produce controlled energy It is shut down to avoid explosion It stops due to malfunctioning ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 0.05 0.1 4 2 0.05 0.1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that Necessary centrifugal force may be obtained from the horizontal component of the weight of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards Necessary centrifugal force may be obtained from the horizontal component of the weight of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards ANSWER DOWNLOAD EXAMIANS APP
Physics Pure water is bad conductor of electricity because it is A very good solvent A non-polar solvent Not volatile Feebly ionized A very good solvent A non-polar solvent Not volatile Feebly ionized ANSWER DOWNLOAD EXAMIANS APP