Physics In a railway track, two rails are joined end to end with a gap in between them because Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
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 the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train 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 the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance High melting point Low melting point Low work function Low resistance High melting point Low melting point Low work function ANSWER DOWNLOAD EXAMIANS APP
Physics The force between charged particles is called as: Centrifugal Force Gravitational Force Electromagnetic Force Nuclear Force Centrifugal Force Gravitational Force Electromagnetic Force Nuclear Force ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Cylindrical concave Spherical convex Plane Parabolic concave Cylindrical concave Spherical convex Plane Parabolic concave ANSWER DOWNLOAD EXAMIANS APP
Physics How much calorie of energy is released by a boiled egg ? 40 50 77 60 40 50 77 60 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS