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 Necessary centrifugal force may be obtained from the horizontal component of the weight 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 No frictional force may be produced between the tracks and the wheels of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river It sinks a little It remains at the same level It rises a little It rises or sinks depending on the material it is made of It sinks a little It remains at the same level It rises a little It rises or sinks depending on the material it is made of ANSWER DOWNLOAD EXAMIANS APP
Physics What property of matter is momentum related to? Mass None of these Both A & B Velocity Mass None of these Both A & B Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Force of impact is the force By the speed of the object By the objects weight None of these When the objects meet By the speed of the object By the objects weight None of these When the objects meet ANSWER DOWNLOAD EXAMIANS APP
Physics The fundamental scientific principle in the operation of battery is Dissociation of electrolytes Oxidation-reduction Dialysis Acid-base interaction Dissociation of electrolytes Oxidation-reduction Dialysis Acid-base interaction ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with Pascal's law Archimedes' principle Newton's law Bernoulli's principle Pascal's law Archimedes' principle Newton's law Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP