Physics Railway tracks are banked on curves so that Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal 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 centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal 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 Which of the following is not a transverse wave? Radio waves Light waves All listed here Sound waves Radio waves Light waves All listed here Sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of a musical note depends on Velocity of sound in the medium Harmonics present Fundamental frequency Amplitude of the wave Velocity of sound in the medium Harmonics present Fundamental frequency Amplitude of the wave ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause electrolysis It may cause electrocution It may spoil the wiring It may cause hydrolysis It may cause electrolysis It may cause electrocution It may spoil the wiring It may cause hydrolysis ANSWER DOWNLOAD EXAMIANS APP
Physics In a ________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation Field Rolling Longitudinal Transverse Field Rolling Longitudinal Transverse ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan cools surrounding air. We feel cool when air touches the body. Fan gives cool air. Air vapourises the sweat on our body. Fan cools surrounding air. We feel cool when air touches the body. Fan gives cool air. Air vapourises the sweat on our body. ANSWER DOWNLOAD EXAMIANS APP
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