Physics Railway tracks are banked on curves necessary centripetal force may be obtained from the horizontal component of the weight of the train the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train 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 the train may not fly off in the opposite direction necessary centrifugal force may be obtained from the horizontal component weight of the train to avoid frictional force between the tracks and wheels ANSWER DOWNLOAD EXAMIANS APP
Physics While ascending a hill, the driver of the vehicle keeps the gear ratio Less than 1 Greater than 1 Equal to 1 Either equal to or greater than 1 Less than 1 Greater than 1 Equal to 1 Either equal to or greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I and III II and III I, II and III I and II I and III II and III I, II and III I and II ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the Sun reaches the Earth by Conduction Convection Reflection Radiation Conduction Convection Reflection Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Rainbow Earthshine Halo Mirage Rainbow Earthshine Halo Mirage ANSWER DOWNLOAD EXAMIANS APP
Physics Which compressor is usually used in AC? Axial Rotary Centrifugal Reciprocating Axial Rotary Centrifugal Reciprocating ANSWER DOWNLOAD EXAMIANS APP