Physics Railway tracks are banked on curves 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 weight of the train the train may not fly off in the opposite direction to avoid frictional force between the tracks and wheels 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 weight of the train the train may not fly off in the opposite direction to avoid frictional force between the tracks and wheels ANSWER DOWNLOAD EXAMIANS APP
Physics The modulus of rigidity is the ratio of Volume stress to volume strain Tensile stress to tensile strain Shearing stress to shearing strain Longitudinal stress to longitudinal strain Volume stress to volume strain Tensile stress to tensile strain Shearing stress to shearing strain Longitudinal stress to longitudinal strain ANSWER DOWNLOAD EXAMIANS APP
Physics The complete form of 'IC' in electronics is Internal circuit Integrated circuit Inbuilt circuit Independent circuit Internal circuit Integrated circuit Inbuilt circuit Independent circuit ANSWER DOWNLOAD EXAMIANS APP
Physics Sun appears red in colour at sunrise and sunset due to That sun comes out of the mountains The fact that sun emits only red colour at that time That all other colours scatter away except red Red light having longer wave length scatters away That sun comes out of the mountains The fact that sun emits only red colour at that time That all other colours scatter away except red Red light having longer wave length scatters away ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Stratosphere Ionosphere Mesosphere Troposphere Stratosphere Ionosphere Mesosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics Bubbles of air rise up through liquids due to Air current over the liquid and buoyancy Up thrust and surface tension Surface tension and adherence Viscosity and buoyancy Air current over the liquid and buoyancy Up thrust and surface tension Surface tension and adherence Viscosity and buoyancy ANSWER DOWNLOAD EXAMIANS APP