Physics Railway tracks are banked on curves necessary centripetal force may be obtained from the horizontal component of the weight of the train to avoid frictional force between the tracks and wheels necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train to avoid frictional force between the tracks and wheels necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of noise pollution (level) is : Ppm Decibel Decimal None of these Ppm Decibel Decimal None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency used in TV and radar system lies in UHF HF SHF VHF UHF HF SHF VHF ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : 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 To increase the current flow Ro decrease the voltage momentarily ANSWER DOWNLOAD EXAMIANS APP
Physics By how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance? 1012 102 1036 2 1012 102 1036 2 ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of a musical note depends on Fundamental frequency Amplitude of the wave Harmonics present Velocity of sound in the medium Fundamental frequency Amplitude of the wave Harmonics present Velocity of sound in the medium ANSWER DOWNLOAD EXAMIANS APP