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 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 Necessary centrifugal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Diffusion Evaporation Sublimation Vaporisation Diffusion Evaporation Sublimation Vaporisation ANSWER DOWNLOAD EXAMIANS APP
Physics Erg cross Sec is the unit of Linear Momentum Angular momentum Energy Planck's constant Linear Momentum Angular momentum Energy Planck's constant ANSWER DOWNLOAD EXAMIANS APP
Physics The metal used to make lightning conductors is Zinc Iron Aluminium Copper Zinc Iron Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Physics If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be Double Same Half One Fourth Double Same Half One Fourth ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that He may increase his speed No frictional force may be produced between the wheels and the axle His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed No frictional force may be produced between the wheels and the axle His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. ANSWER DOWNLOAD EXAMIANS APP